PRUDENTIAL BALANCED FUND
N-30D, 1998-05-08
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(ICON)

Prudential
Municipal
Series Fund

Florida Series

SEMI
ANNUAL
REPORT
Feb. 28, 1998

(LOGO)
<PAGE>

Prudential Municipal Series Fund
Florida Series

Performance At A Glance.
Municipal bond prices climbed during the six months ended February 
28, 1998 as inflation remained subdued in the U.S. and an economic 
crisis gripped Asia. Your Prudential Municipal Series Fund -- Florida 
Series posted returns that were competitive with comparable funds 
tracked by Lipper Analytical Services. Our results were bolstered 
by hospital and general obligation bonds. In addition, we also took 
profits on some noncallable bonds that gained nicely as interest 
rates declined.

<TABLE>
Cumulative Total Returns1                            As of 2/28/98
<CAPTION>
                       Six       One             Five            Since
                      Months     Year            Years         Inception2
<S>                   <C>     <C>            <C>              <C>
Class A               4.89%   8.80% (8.70)   34.27% (30.74)   75.21% (68.13)
Class B               4.68    8.27  (8.16)   N/A              28.63  (26.81)
Class C               4.54    8.00  (7.89)   N/A              28.40  (25.38)
Class Z               4.94    8.91  (8.81)   N/A               9.74   (9.53)
Lipper FL Muni Avg.3  4.89    8.79           32.43                ***
</TABLE>

<TABLE>
Average Annual Total Returns1                         As of 3/31/98
<CAPTION>
                One           Five           Since
                Year          Years        Inception2
<S>         <C>             <C>            <C>
Class A      6.96% (6.86)   5.79% (5.25)   7.60% (6.97)
Class B      4.83  (4.73)   N/A            6.67  (6.25)
Class C      8.56  (8.46)   N/A            5.50  (4.96)
Class Z     10.49 (10.39)   N/A            7.41  (7.25)
</TABLE>

<TABLE>
Distributions & Yields                          As of 2/28/98
<CAPTION>
                                           Taxable Equivalent Yield4
          Total Distributions      30-Day      At Tax Rates Of
           Paid for Six Mos.     SEC Yield     36%        39.6%
<S>       <C>                    <C>           <C>        <C>
Class A        $0.26               3.96%       6.19%      6.56% 
Class B        $0.24               3.68        5.75       6.09
Class C        $0.23               3.43        5.36       5.68
Class Z        $0.26               4.18        6.53       6.92
</TABLE>

Past performance is not indicative of future results. Principal 
and investment return will fluctuate so that an investor's 
shares, when redeemed, may be worth more or less than their 
original cost.

1 Source: Prudential Investments Fund Management and Lipper 
Analytical Services. The cumulative total returns do not take 
into account sales charges. The average annual returns do take 
into account applicable sales charges. The Series charges a 
maximum front-end sales load of 3% for Class A shares and a 
six-year declining contingent deferred sales charge (CDSC) of 
5%, 4%, 3%, 2%, 1% and 1% for Class B shares. Class C shares 
have a 1% CDSC for one year. Without waiver of management fees 
and/or expense subsidization, the Series' cumulative and 
average annual total returns would have been lower, as 
indicated in parentheses ( ). Class B shares automatically 
convert to Class A shares on a quarterly basis, after 
approximately seven years. Class Z shares do not carry 
a sales load or a distribution fee.

2 Inception dates: Class A, 12/28/90; Class B, 8/1/94; Class 
C, 7/26/93; and Class Z, 12/6/96. 

3 The Lipper Florida Municipal Bond fund average are for all 
funds in each share class for the six-month, 1- and 5-year 
categories.

4 Taxable equivalent yields reflect federal and applicable 
state tax rates. 

***The Lipper Since Inception category return for Class A 
shares is 70.64%; for Class B is 29.00%; for Class C is 
29.85%; and for Class Z is 9.12% for all funds in each 
share class.

How Investments Compared.
(As of 2/28/98)
(GRAPH)

Source: Lipper Analytical Services. Financial markets change, so 
a mutual fund's past performance should never be used to predict 
future results. The risks to each of the investments listed above 
are different -- we provide 12-month total returns for several 
Lipper mutual fund categories to show you that reaching for 
higher yields means tolerating more risk. The greater the risk, 
the larger the potential reward or loss. In addition, we've 
included historical 20-year average annual returns. These 
returns assume the reinvestment of dividends.

U.S. Growth Funds will fluctuate a great deal. Investors have 
received higher historical total returns from stocks than 
from most other invest-ments. Smaller capitalization stocks 
offer greater potential for long-term growth but may be 
more volatile than larger capitalization stocks.

General Bond Funds provide more income than stock funds, 
which can help smooth out their total returns year by year. 
But their prices still fluctuate (sometimes significantly) 
and their returns have been historically lower than those 
of stock funds.

General Municipal Debt Funds invest in bonds issued by 
state governments, state agencies and/or municipalities. 
This investment provides income that is usually exempt from 
federal and state income taxes.

U.S. Tax-Exempt Money Funds attempt to preserve a constant 
share value; they don't fluctuate much in price but, 
historically, their returns have been generally among 
the lowest of the major investment categories.

*18 years for Tax-Exempt Money Funds.

<PAGE>

Peter Allegrini and Scott Diamond, Fund Managers    (PICTURE)  (PICTURE)

Portfolio
Managers'Report

The Series invests in carefully selected, long-term municipal bonds 
that offer a high level of current income exempt from federal income 
taxes as well as the Florida intangibles tax. Certain shareholders 
may be subject to the alternative minimum tax, however. There can 
be no assurance that the Series will achieve its investment objective.

Is Inflation Conquered?

Inflation inched up a mere 1.7% in 1997 and will likely remain 
tame this year as U.S. companies face increased competition 
from cheaper Asian imports. This is good news for bondholders 
because inflation hurts the value of their bonds' fixed 
interest and principal payments

Strategy Session.
Asian Contagion
Lifts Muni Bonds.

Although job growth has moderated, employment and income have 
been growing faster in Florida than in the Southeast and the 
country as a whole. The Sunshine State's economy continues to 
benefit from its expanding trade and services sectors as well 
as tourism and agriculture.

On the opposite side of the globe, however, economic turbulence 
engulfed Asian markets as a series of financial shocks, caused 
by imprudent lending practices by major financial institutions, 
shook the region. Investors began selling Asian stocks and 
emerging market bonds and sought refuge in U.S. Treasury 
securities. The ensuing rally in Treasuries spilled over 
into the municipal securities market, driving tax-exempt 
bond prices higher and yields lower. Investors also bid up 
municipal bonds, believing that Asian difficulties would 
help keep a lid on inflation in the U.S., protecting the 
value of their fixed income investments.

By mid-January, the Bond Buyer Revenue Bond Index, a widely 
watched gauge of tax-exempt yields, reached a record low 
of 5.25%. This occurred during the same week that the 
30-year Treasury bond yield sank to 5.66%, its lowest 
point since 1977. Cash poured into U.S. Treasuries as 
investors fretted over the failure of Hong Kong's 
largest investment bank.

As interest rates fell sharply, noncallable bond prices 
surged because the bonds cannot be retired early. We 
took advantage of this trend by booking profits on 
some of your Series' high-coupon, noncallable bonds 
that were scheduled to mature in less than 10 years.

Portfolio Composition.
Expressed as a percentage of
total investments as of 2/28/98.
(PIE CHART)

<PAGE>

What Went Well.
A Win-Win Situation.

Series' performance was enhanced when its Puerto Rico general 
obligation bonds and Palm Beach County, Florida, bonds issued 
for Good Samaritan Health Services were pre-refunded. This 
means that new bonds were issued whose proceeds would be 
used to retire the older bonds before their maturity date. 
Until then, proceeds from the new bonds would be invested 
in direct U.S. guaranteed obligations held in an escrow fund. 
Prices of the older Puerto Rico and Palm Beach County bonds 
surged because they were now backed by direct U.S. guaranteed 
obligations and have virtually no credit risk. (The ratings 
on the Puerto Rico bonds were upgraded to AAA by Standard & 
Poor's, as is often the case after a bond is pre-refunded.)  
Of course, this sharp price appreciation benefited your 
Series, while pre-refunding the older bonds at recent low 
interest rates reduced the authority's interest payment 
expense. That is why we consider this a "win-win" situation.

And Not So Well.
Duration, Duration.

Although the Series' duration (a measure of sensitivity to 
interest rate fluctuations) was moderately longer than its 
competition, its performance would have been improved had 
we been able to extend the duration further by investing 
heavily in noncallable, zero coupon bonds. Noncallable 
bonds appreciate rapidly when interest rates fall because 
they cannot be retired prior to maturity. Zero coupon bonds 
also rise quickly, since they typically trade at prices well 
below their maturity value. Unfortunately, noncallable zero 
coupon bonds were rather scarce in Florida as there was 
strong investor demand during the market rally.

Credit Quality.
Expressed as a percentage of
total investments as of 2/28/98.
(PIE CHART)

Five Largest Issuers.
4.4%   Puerto Rico Electric 
       Power Authority
4.3%   Lakeland Electric
       and Water 
3.9%   Florida State Board
       Of Education
3.2%   Escambia County 
       Pollution Control 
3.2%   Brevard County 
       School Board

Expressed as a percentage of net assets
as of 2/28/98.

Looking Ahead.
Asian economic turmoil is already starting to take its toll 
as the U.S. trade deficit widened in January, partly because 
our sales to Asia declined. As the year progresses, the U.S. 
is expected to sell even less to Asia and purchase more and 
more cheaply priced Asian imports, broadening the trade gap. 
We believe the growing imbalance will slow U.S. economic 
growth and head off higher inflation, allowing the Federal 
Reserve to leave monetary policy unchanged for the 
foreseeable future.

                         1
<PAGE>

President's Letter                                 April 3, 1998

Investing Smart.
Dear Shareholder:
This is the season when many investors receive income tax refunds 
or have a CD or two maturing. What will you do with these assets? 
Investing smart can be a challenge especially given today's new 
investment choices.

The Federal Taxpayer Relief Act of 1997 is changing the way 
Americans invest and accumulate wealth, save for college or 
build a nest egg for retirement. While the law offers opportunity, 
it is also complex. You may need help to put things in perspective.

Now may be an excellent time for you and your Prudential Financial 
Professional to update your investment strategy and retirement plan. 
A wise investor does so periodically. You could find the tax law 
opening doors that may benefit you now or over the long term, 
such as -- 

- --   Revised Capital Gains Tax Rates & Exclusions. Long-term 
rates are down. Is your portfolio positioned to benefit? Also, 
new rules allow you to keep more of the profit from the sale 
of your home (perhaps up to $500,000 more).

- --   New Roth IRAs. The Roth IRA features tax-free distributions 
and does not require mandatory withdrawals, which should be of 
particular interest to retirees seeking to shelter assets in a 
tax-free account.

- --   New Education IRAs. Similar to a traditional IRA, but 
specifically designed for higher education. The new law 
also creates credits and deductions to help defray college costs.

- --   Expanded IRAs. Rules governing traditional IRAs have 
been extensively revised. Deductibility and contribution 
limits have been broadened as has the list for penalty-free 
early withdrawals, including first-time home buyers. 

As you can see, what you don't know may cost you! That's why 
I recommend you call your Prudential Financial Professional 
and get a free investment plan checkup. Let us give you the 
information and tools to invest smart.

Sincerely,

Brian M. Storms
President, Prudential Mutual Funds & Annuities

                                 2
<PAGE>
Portfolio of Investments as 
of February 28, 1998                  PRUDENTIAL MUNICIPAL SERIES FUND
(Unaudited)                           FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                                       Principal
                                                                   Moody's    Interest     Maturity     Amount          Value
Description (a)                                                    Rating       Rate         Date        (000)         (Note 1)
<S>                                                                <C>        <C>         <C>          <C>           <C>
- ------------------------------------------------------------------------------------------------------------------------------
LONG-TERM INVESTMENTS--96.5%
- ------------------------------------------------------------------------------------------------------------------------------
Alachua Cnty. Hlth. Facs. Auth. Rev., Santa Fe Healthcare
   Facs. Proj.                                                  Baa1           7.60%      11/15/13    $  1,750 (f)   $  1,947,225
Alachua Cnty. Ind. Dev. Auth. Rev., H.B. Fuller Co. Proj.,
   A.M.T.                                                       NR             7.75       11/01/16       3,000          3,161,160
Brevard Cnty. Edl. Facs. Auth. Rev. Ref., Florida Inst. of
   Tech.                                                        BBB(c)         6.875      11/01/22       1,500          1,615,560
Brevard Cnty. Sch. Brd. Ctfs. of Part., Ser. A, A.M.B.A.C.      Aaa            6.50        7/01/12       3,500 (f)      3,895,570
Broward Cnty. Edl. Facs. Auth. Rev., Nova Univ. Dorm.
   Proj., Ser. A                                                NR             7.50        4/01/17       1,500 (f)      1,672,710
Broward Cnty. Hlth. Facs. Auth., North Beach Hosp.,
   M.B.I.A.                                                     Aaa            6.75        8/15/06       1,000          1,099,110
Broward Cnty. Prof. Sports Facs. Rev., Civic Arena Proj.,
   Ser. A, M.B.I.A.                                             Aaa            5.625       9/01/28       2,185          2,273,930
Clay Cnty. Hsg. Fin. Auth. Rev., Sngl. Fam. Mtge., Ser. A,
   A.M.T., G.N.M.A.                                             Aaa            7.45        9/01/23         375            396,581
Coral Springs Impvt. Dist., Wtr. & Swr. Ref., M.B.I.A.          Aaa            6.00        6/01/10       1,000          1,130,000
Dade Cnty. Aviation Dept. Rev.,
   Ser. B, A.M.T., M.B.I.A.                                     Aaa            6.00       10/01/24       1,500          1,622,295
   Ser. E, A.M.B.A.C.                                           Aaa            5.50       10/01/10       1,000          1,067,540
   Miami Int'l. Arpt., Ser. B, A.M.T., F.S.A.                   Aaa            5.00       10/01/11       1,930          1,949,725
Dade Cnty. Edl. Facs. Auth. Rev. Ref., Univ. of Miami.,
   Ser. A, M.B.I.A.                                             Aaa            5.625       4/01/06       2,015          2,194,355
Dade Cnty. Hlth. Facs. Auth. Rev., Baptist Hosp. of Miami
   Proj., Ser. A, E.T.M., M.B.I.A.                              Aaa            6.75        5/01/08         500 (e)        565,900
Dade Cnty. Hsg. Fin. Auth. Rev.,
   Multi. Fam. Mtge., Golden Lakes Apts. Proj., Ser. A,
      A.M.T.                                                    NR             6.05       11/01/39       1,000          1,017,500
   Sngl. Fam. Mtge., Ser. B, A.M.T., G.N.M.A                    Aaa            7.25        9/01/23         350            369,229
   Sngl. Fam. Mtge., Ser. C, A.M.T., G.N.M.A.                   Aaa            7.75        9/01/22         765            742,647
Dade Cnty. Spl. Oblig.,
   Ser. B, A.M.B.A.C.                                           Aaa            5.00       10/01/35       2,500          2,417,675
   Metro Dade Fire & Rescue Svc., F.G.I.C.                      Aaa            6.00        4/01/05       2,800          3,099,096
Dade Cnty.,
   Pub. Impvt. J & K Seaport, M.B.I.A.                          Aaa            6.50       10/01/07       1,220          1,420,775
   Pub. Impvt. J & K Seaport, M.B.I.A.                          Aaa            6.50       10/01/10       1,555          1,838,259
Duval Cnty. Hsg. Fin. Auth. Rev., Sngl. Fam. Mtge., A.M.T.,
   G.N.M.A.                                                     AAA(c)         8.375      12/01/14         360 (e)        379,862
Escambia Cnty. Hlth. Facs. Auth. Rev., Baptist Hosp. Inc.,
   Ser. A                                                       BBB+(c)        8.70       10/01/14       1,830          1,913,174
Escambia Cnty. Poll. Ctrl. Rev., Champion Int'l. Corp.
   Proj., A.M.T.                                                Baa1           6.90        8/01/22       3,500          3,924,865
Florida St. Brd. of Ed. Cap. Outlay, Ref. Pub. Ed., Ser. D      Aa             4.75        6/01/22       4,985          4,710,177
Florida St. Mun. Pwr. Agcy. Ref., Stanton II Proj.,
   A.M.B.A.C.                                                   Aaa            4.50       10/01/27       2,000          1,797,940
Greater Orlando Aviation Rev. Auth., Orlando Arpt., A.M.T.,
   F.G.I.C.                                                     Aaa            5.25       10/01/23       2,000          1,990,140
Hillsborough Cnty. Ind. Dev. Auth. Poll. Ctrl. Rev., Tampa
   Elec. Proj., Ser. 92                                         Aa3            8.00        5/01/22       1,750          2,027,988
Hillsborough Cnty.,
   Cnty. Ctr. Proj., Ser. B, M.B.I.A.                           Aaa            5.00        7/01/15       1,560          1,550,952
   Ref. Cnty. Ctr. Proj., Ser. B, M.B.I.A.                      Aaa            6.00        7/01/06       1,605          1,792,127
Jacksonville Elec. Auth. Rev., St. Johns Rvr. Pwr. Park
   Issue 2, Ser. 7                                              Aa1            Zero       10/01/10       3,000          1,671,180
</TABLE>
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     3

<PAGE>
Portfolio of Investments as 
of February 28, 1998                  PRUDENTIAL MUNICIPAL SERIES FUND
(Unaudited)                           FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                                       Principal
                                                                   Moody's    Interest     Maturity     Amount          Value
Description (a)                                                    Rating       Rate         Date        (000)         (Note 1)
<S>                                                                <C>        <C>         <C>          <C>           <C>
- ------------------------------------------------------------------------------------------------------------------------------
Jacksonville Hlth. Facs. Auth. Hosp. Rev.,
   Nat'l. Ben. Assoc.                                           Baa1           7.00%      12/01/22    $  1,825       $  1,990,765
   St. Lukes Hosp. Assoc. Proj.                                 AA+(c)         7.125      11/15/20       1,000          1,104,330
Jacksonville Swr. & Sld. Wste. Disp. Facs. Rev., Anheuser
   Busch Proj., A.M.T.                                          A1             5.875       2/01/36       1,000          1,039,980
Jacksonville Wtr. & Swr. Dev. Rev.,
   Suburban Utils., A.M.T.                                      A3             6.75        6/01/22       1,000          1,084,690
   United Wtr. Proj., A.M.T., A.M.B.A.C.                        Aaa            6.35        8/01/25       1,500          1,652,955
Lake Cnty. Res. Rec. Ind. Dev. Rev., NRG Recovery Grp., Ser
   A, A.M.T.                                                    Baa            5.95       10/01/13       1,035          1,078,128
Lakeland Elec. & Wtr. Rev.                                      Aa             5.625      10/01/36       5,000          5,220,850
Largo Cnty. Hosp. Rev., Sun Coast Hlth. Sys.                    BB+(c)         6.30        3/01/20       2,000          2,032,620
Leon Cnty. Hsg. Fin. Auth. Rev., Sngl. Fam. Mtge., Ser. A.,
   A.M.T., G.N.M.A.                                             Aaa            7.30        4/01/21         345            342,254
Martin Cnty. Ind. Dev. Auth. Rev., Indiantown Cogen. Proj.,
   Ser. A, A.M.T.                                               Baa3           7.875      12/15/25       1,200          1,408,284
Miami Spec. Oblig.,
   Admn. Bldg. Acquis. Proj., F.G.I.C.                          Aaa            6.00        2/01/16       1,500          1,626,495
   Admn. Bldg. Acquis. Proj., F.G.I.C.                          Aaa            6.00        2/01/25         500            542,165
Miami Spec. Rev., Prkg. & Conv. Ctr., M.B.I.A.                  Aaa           Zero         1/01/07       1,000            674,630
Miramar Wstwt. Impvt. Assmt., F.G.I.C.                          Aaa            6.75       10/01/16       2,500          2,828,750
Okaloosa Cnty. Cap. Impvt. Rev., M.B.I.A.                       Aaa           Zero        12/01/06         450            307,337
Orange Cnty. Hsg. Fin. Auth. Mtge. Rev., Ser. A, A.M.T.,
   G.N.M.A.                                                     AAA(c)         7.375       9/01/24         420            446,237
Orange Cnty. Hsg. Fin. Auth. Rev.,
   MultiFam. Ashley Point Apts., Ser. A, A.M.T.                 BBB+(c)        6.85       10/01/16       1,200          1,241,796
   MultiFam. Ashley Point Apts., Ser. A, A.M.T.                 BBB+(c)        7.10       10/01/24         855            884,942
Orlando Util. Comm., Wtr. & Elec. Rev., Ser. D                  Aa             6.75       10/01/17       2,200          2,689,830
Palm Beach Cnty. Hlth. Facs. Auth. Rev.,
   Abbey Delray South Proj.                                     BBB(c)         5.50       10/01/11         750            760,088
   Good Samaritan Hlth. Sys.                                    A+(c)          6.30       10/01/22       1,000 (f)      1,124,920
Palm Beach Cnty. Sld. Wste. Auth. Rev., Ser. A, A.M.B.A.C.      Aaa            6.00       10/01/09       1,500          1,701,465
Pensacola Hlth. Facs. Auth., Daughters of Charity, M.B.I.A.     Aaa            5.25        1/01/11       1,600          1,647,120
Polk Cnty. Ind. Dev. Auth., Sld. Wste. Disp. Fac. Rev.,
   Tampa Elec. Co. Proj., A.M.T.                                Aa2            5.85       12/01/30       1,500          1,570,755
Puerto Rico Comnwlth. Infr. Fin. Auth. Rev., Spec. Tax ,
   Ser. A, A.M.B.A.C.                                           Aaa            5.00        7/01/28       1,750          1,709,803
Puerto Rico Comnwlth.,
   Gen. Oblig.                                                  Baa1          Zero         7/01/16       2,500            997,825
   Gen. Oblig.                                                  Baa1          Zero         7/01/15       1,000            421,040
   Gen. Oblig.                                                  Baa1           6.45        7/01/17       1,400 (f)      1,585,696
   Gen. Oblig.                                                  Baa1           6.50        7/01/23         650 (f)        740,733
Puerto Rico Elec. Pwr. Auth. Rev., Ser. R                       Baa1           6.25        7/01/17       5,000          5,380,650
Puerto Rico Tel. Auth. Rev., Ser. I, M.B.I.A.                   Aaa            7.168 (d)   1/16/15       2,250          2,421,562
</TABLE>
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     4

<PAGE>
Portfolio of Investments as 
of February 28, 1998                  PRUDENTIAL MUNICIPAL SERIES FUND
(Unaudited)                           FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                                       Principal
                                                                   Moody's    Interest     Maturity     Amount          Value
Description (a)                                                    Rating       Rate         Date        (000)         (Note 1)
<S>                                                                <C>        <C>         <C>          <C>           <C>
- ------------------------------------------------------------------------------------------------------------------------------
Sarasota Wtr. & Swr. Util. Ref., Ser. C, F.G.I.C.               Aaa            4.50%      10/01/16    $  1,000       $    931,850
St. Petersburg Hlth. Facs. Auth. Rev., Allegheny Hlth.
   Proj., M.B.I.A.                                              Aaa            7.00       12/01/15       1,000 (f)      1,119,080
Tampa Gtd. Entitlement Rev., A.M.B.A.C.                         Aaa            7.05       10/01/07       2,000          2,223,380
Tampa Hlth. Sys. Rev., Catholic Hlth., Ser. A-1, A.M.B.A.C.     Aaa            4.875      11/15/18       1,500          1,444,020
Tampa Sports Auth. Rev., Tampa Bay Arena Proj., M.B.I.A.        Aaa            5.75       10/01/20       1,000          1,096,500
Virgin Islands Terr., Hugo Ins. Claims Fund Proj., Ser. 91      NR             7.75       10/01/06       1,105          1,231,953
Volusia Cnty. Edl. Fac. Auth. Rev., Embry Riddle Univ.          AAA(c)         6.625      10/15/22       1,000          1,104,190
Volusia Cnty. Hlth. Facs. Auth. Rev., Mem. Hlth. Sys. Proj.     BBB+(c)        8.25        6/01/20       2,000 (f)      2,218,860
                                                                                                                     ------------
Total long-term investments (cost $108,534,090)                                                                       116,883,775
                                                                                                                     ------------
SHORT-TERM INVESTMENTS--1.9%
Hillsborough Cnty. Ind. Dev. Auth., Poll. Ctrl. Rev., Tampa
   Elec. Co. Ser. 93, F.R.D.D.                                  VMIG1          3.70        3/02/98         200            200,000
Martin Cnty. Poll. Ctrl. Rev., Florida Pwr. & Lt. Proj.,
   F.R.D.D.                                                     VMIG1          3.60        3/02/98       1,100          1,100,000
St. Lucie Cnty. Poll. Ctrl. Rev., Florida Pwr. & Lt. Proj.,
   F.R.D.D.                                                     VMIG1          3.60        3/02/98       1,000          1,000,000
                                                                                                                     ------------
Total short-term investments (cost $2,300,000)                                                                          2,300,000
                                                                                                                     ------------
Total Investments--98.4%
(cost $110,834,090; Note 4)                                                                                           119,183,775
Other assets in excess of liabilities--1.6%                                                                             1,915,802
                                                                                                                     ------------
Net Assets--100%                                                                                                     $121,099,577
                                                                                                                     ------------
                                                                                                                     ------------
</TABLE>
- ---------------
(a) The following abbreviations are used in portfolio descriptions:
    A.M.B.A.C.--American Municipal Bond Assurance Corporation.
    A.M.T.--Alternative Minimum Tax.
    E.T.M.--Escrowed to Maturity.
    F.G.I.C.--Financial Guaranty Insurance Company.
    F.R.D.D.--Floating Rate (Daily) Demand Note (b).
    F.S.A.--Financial Security Assurance.
    G.N.M.A.--Government National Mortgage Association.
    M.B.I.A.--Municipal Bond Insurance Corporation.
(b) For purposes of amortized cost valuation, the maturity date of Floating Rate
    Demand Notes is considered to be the later of the next date on which the
    security can be redeemed at par, or the next date on which the rate of
    interest is adjusted.
(c) Standard & Poor's Rating.
(d) Inverse floating rate bond. The coupon is inversely indexed to a floating
interest rate. The rate shown is the rate at period-end.
(e) Pledged as initial margin on financial futures contracts.
(f) Prerefunded issues are secured by escrowed cash and direct U.S. guaranteed
obligations.
NR--Not Rated by Moody's or Standard & Poor's.
The Fund's current Statement of Additional Information contains a description of
Moody's and Standard & Poor's ratings.
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     5

<PAGE>
                                             PRUDENTIAL MUNICIPAL SERIES FUND
Statement of Assets and Liabilities 
(Unaudited)                                  FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
Assets                                                                                                       February 28, 1998
<S>                                                                                                            <C>
Investments, at value (cost $110,834,090)................................................................        $ 119,183,775
Cash.....................................................................................................               62,780
Interest receivable......................................................................................            2,053,090
Receivable for investment sold...........................................................................              100,209
Receivable for Series shares sold........................................................................               74,411
Other assets.............................................................................................               14,124
Due from broker-variation margin.........................................................................                8,437
                                                                                                               -----------------
   Total assets..........................................................................................          121,496,826
                                                                                                               -----------------
Liabilities
Payable for Series shares reacquired.....................................................................              176,807
Accrued expenses.........................................................................................               98,725
Dividends payable........................................................................................               51,812
Management fee payable...................................................................................               46,555
Distribution fee payable.................................................................................               19,572
Deferred trustees' fees..................................................................................                3,778
                                                                                                               -----------------
   Total liabilities.....................................................................................              397,249
                                                                                                               -----------------
Net Assets...............................................................................................        $ 121,099,577
                                                                                                               -----------------
                                                                                                               -----------------
Net assets were comprised of:
   Shares of beneficial interest, at par.................................................................        $     113,684
   Paid-in capital in excess of par......................................................................          114,012,732
                                                                                                               -----------------
                                                                                                                   114,126,416
   Accumulated net realized loss on investments..........................................................           (1,380,039)
   Net unrealized appreciation on investments............................................................            8,353,200
                                                                                                               -----------------
Net assets, February 28, 1998............................................................................        $ 121,099,577
                                                                                                               -----------------
                                                                                                               -----------------
Class A:
   Net asset value and redemption price per share
      ($91,259,049 / 8,567,210 shares of beneficial interest issued and outstanding).....................               $10.65
   Maximum sales charge (3% of offering price)...........................................................                  .33
                                                                                                               -----------------
   Maximum offering price to public......................................................................               $10.98
                                                                                                               -----------------
                                                                                                               -----------------
Class B:
   Net asset value, offering price and redemption price per share
      ($21,818,864 / 2,048,152 shares of beneficial interest issued and outstanding).....................               $10.65
                                                                                                               -----------------
                                                                                                               -----------------
Class C:
   Net asset value, offering price and redemption price per share
      ($7,581,142 / 711,663 shares of beneficial interest issued and outstanding)........................               $10.65
                                                                                                               -----------------
                                                                                                               -----------------
Class Z:
   Net asset value, offering price and redemption price per share
      ($440,522 / 41,374 shares of beneficial interest issued and outstanding)...........................               $10.65
                                                                                                               -----------------
                                                                                                               -----------------
</TABLE>
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     6

<PAGE>
PRUDENTIAL MUNICIPAL SERIES FUND
FLORIDA SERIES 
Statement of Operations (Unaudited)
- ------------------------------------------------------------
<TABLE>
<CAPTION>
                                                 Six Months
                                                    Ended
Net Investment Income                         February 28, 1998
<S>                                           <C>
Income
   Interest................................      $ 3,405,895
                                              -----------------
Expenses
   Management fee..........................          296,870
   Distribution fee--Class A...............           45,520
   Distribution fee--Class B...............           50,303
   Distribution fee--Class C...............           27,046
   Custodian's fees and expenses...........           43,000
   Transfer agent's fees and expenses......           22,000
   Registration fees.......................           17,000
   Reports to shareholders.................           11,000
   Audit fees and expenses.................            5,000
   Legal fees and expenses.................            4,000
   Miscellaneous...........................            2,533
   Trustees' fees..........................            2,000
                                              -----------------
      Total expenses.......................          526,272
   Less: Custodian fee credit (Note 1).....           (1,132)
                                              -----------------
      Net expenses.........................          525,140
                                              -----------------
Net investment income......................        2,880,755
                                              -----------------
Realized and Unrealized
Gain (Loss) on Investments
Net realized gain (loss) on:
   Investment transactions.................          277,340
   Financial futures transactions..........         (116,644)
                                              -----------------
                                                     160,696
                                              -----------------
Net change in unrealized appreciation on:
   Investments.............................        2,564,186
   Financial futures contracts                         3,515
                                              -----------------
                                                   2,567,701
                                              -----------------
Net gain on investments....................        2,728,397
                                              -----------------
Net Increase in Net Assets
Resulting from Operations..................      $ 5,609,152
                                              -----------------
                                              -----------------
</TABLE>

PRUDENTIAL MUNICIPAL SERIES FUND
FLORIDA SERIES 
Statement of Changes in Net Assets (Unaudited)
- ------------------------------------------------------------
<TABLE>
<CAPTION>
                                   Six Months
                                      Ended           Year Ended
Increase (Decrease)               February 28,        August 31,
in Net Assets                         1998               1997
<S>                             <C>                  <C>
Operations
   Net investment income......    $   2,880,755      $  6,420,500
   Net realized gain (loss) on
      investment
      transactions............          160,696           (79,447)
   Net change in unrealized
      appreciation of
      investments.............        2,567,701         3,713,700
                                -----------------    ------------
   Net increase in net assets
      resulting from
      operations..............        5,609,152        10,054,753
                                -----------------    ------------
   Dividends and Distributions
      (Note 1):
   Dividends from net
      investment income
      Class A.................       (2,256,615)       (5,200,369)
      Class B.................         (459,233)         (864,744)
      Class C.................         (155,410)         (353,934)
      Class Z.................           (9,497)           (1,453)
                                -----------------    ------------
                                     (2,880,755)       (6,420,500)
                                -----------------    ------------
   Distributions in excess of
      net investment income
      Class A.................               --           (57,916)
      Class B.................               --            (4,473)
      Class C.................               --           (10,023)
                                -----------------    ------------
                                             --           (72,412)
                                -----------------    ------------
Series share transactions (net
   of share conversions) (Note
   5):
   Net proceeds from shares
      sold....................        7,422,762        13,962,419
   Net asset value of shares
      issued in reinvestment
      of dividends and
      distributions...........        1,229,013         2,752,296
   Cost of shares
      reacquired..............       (9,109,279)      (25,937,462)
                                -----------------    ------------
   Net decrease in net assets
      from Series share
      transactions............         (457,504)       (9,222,747)
                                -----------------    ------------
Total increase (decrease).....        2,270,893        (5,660,906)
Net Assets
Beginning of period...........      118,828,684       124,489,590
                                -----------------    ------------
End of period.................    $ 121,099,577      $118,828,684
                                -----------------    ------------
                                -----------------    ------------
</TABLE>
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     7

<PAGE>
                                       PRUDENTIAL MUNICIPAL SERIES FUND
Notes to Financial Statements 
(Unaudited)                            FLORIDA SERIES
- --------------------------------------------------------------------------------
Prudential Municipal Series Fund, (the 'Fund') is registered under the
Investment Company Act of 1940, as an open-end investment company. The Fund was
organized as a Massachusetts business trust on May 18, 1984 and consists of 13
series. The monies of each series are invested in separate, independently
managed portfolios. The Florida Series (the 'Series') commenced investment
operations on December 28, 1990. The Series is nondiversified and seeks to
achieve its investment objective of providing the maximum amount of income that
is exempt from federal income taxes with the minimum of risk, and investing in
securities which will enable its shares to be exempt from the Florida
intangibles tax by investing in 'investment grade' tax-exempt securities whose
ratings are within the four highest ratings categories by a nationally
recognized statistical rating organization or, if not rated, are of comparable
quality. The ability of the issuers of the securities held by the Series to meet
their obligations may be affected by economic developments in a specific state,
industry or region.
- ------------------------------------------------------------
Note 1. Accounting Policies
The following is a summary of significant accounting policies followed by the
Fund, and the Series, in the preparation of its financial statements.
Securities Valuations: The Fund values municipal securities (including
commitments to purchase such securities on a 'when-issued' basis) on the basis
of prices provided by a pricing service which uses information with respect to
transactions in bonds, quotations from bond dealers, market transactions in
comparable securities and various relationships between securities in
determining values. If market quotations are not readily available from such
pricing service, a security is valued at its fair value as determined under
procedures established by the Trustees.
Short-term securities which mature in more than 60 days are valued at current
market quotations. Short-term securities which mature in 60 days or less are
valued at amortized cost.
All securities are valued as of 4:15 p.m., New York time.
Financial Futures Contracts: A financial futures contract is an agreement to
purchase (long) or sell (short) an agreed amount of securities at a set price
for delivery on a future date. Upon entering into a financial futures contract,
the Series is required to pledge to the broker an amount of cash and/or other
assets equal to a certain percentage of the contract amount. This amount is
known as the 'initial margin.' Subsequent payments, known as 'variation margin,'
are made or received by the Series each day, depending on the daily fluctuations
in the value of the underlying security. Such variation margin is recorded for
financial statement purposes on a daily basis as unrealized gain or loss. When
the contract expires or is closed, the gain or loss is realized and is presented
in the statement of operations as net realized gain (loss) on financial futures
contracts.
The Series invests in financial futures contracts in order to hedge its existing
portfolio securities, or securities the Series intends to purchase, against
fluctuations in value caused by changes in prevailing interest rates. Should
interest rates move unexpectedly, the Series may not achieve the anticipated
benefits of the financial futures contracts and may realize a loss. The use of
futures transactions involves the risk of imperfect correlation in movements in
the price of futures contracts, interest rates and the underlying hedged assets.
Securities Transactions and Net Investment Income: Securities transactions are
recorded on the trade date. Realized gains and losses on sales of securities are
calculated on the identified cost basis. Interest income is recorded on the
accrual basis. The Series amortizes premiums and accretes original issue
discount on portfolio securities as adjustments to interest income. Expenses are
recorded on the accrual basis which may require the use of certain estimates by
management.
Net investment income (other than distribution fees) and unrealized and realized
gains or losses are allocated daily to each class of shares based upon the
relative proportion of net assets of each class at the beginning of the day.
Federal Income Taxes: For federal income tax purposes, each series in the Fund
is treated as a separate taxpaying entity. It is the intent of the Series to
meet the requirements of the Internal Revenue Code applicable to regulated
investment companies and to distribute all of its net income to shareholders.
For this reason no federal income tax provision is required.
Dividends and Distributions: The Series declares daily dividends from net
investment income. Payment of dividends is made monthly. Distributions of net
capital gains, if any, are made annually.
Income distributions and capital gain distributions are determined in accordance
with income tax regulations which may differ from generally accepted accounting
principles.
Custody Fee Credits: The Fund has an arrangement with its custodian bank,
whereby uninvested monies earn credits which reduce the fees charged by the
custodian.
- --------------------------------------------------------------------------------
                                       8
<PAGE>
                                         PRUDENTIAL MUNICIPAL SERIES FUND
Notes to Financial Statements 
(Unaudited)                              FLORIDA SERIES
- --------------------------------------------------------------------------------
Note 2. Agreements
The Fund has a management agreement with Prudential Investments Fund Management
LLC ('PIFM'). Pursuant to this agreement, PIFM has responsibility for all
investment advisory services and supervises the subadviser's performance of such
services. PIFM has entered into a subadvisory agreement with The Prudential
Investment Corporation ('PIC'). PIC furnishes investment advisory services in
connection with the management of the Fund. PIFM pays for the cost of the
subadviser's services, the compensation of officers and employees of the Fund,
occupancy and certain clerical and bookkeeping costs of the Fund. The Fund bears
all other costs and expenses.
The management fee paid PIFM is computed daily and payable monthly, at an annual
rate of .50 of 1% of the average daily net assets of the Series.
The Fund has a distribution agreement with Prudential Securities Incorporated
('PSI'), which acts as the distributor of the Class A, Class B, Class C and
Class Z shares of the Fund. The Fund compensates PSI for distributing and
servicing the Fund's Class A, Class B and Class C shares, pursuant to plans of
distribution (the 'Class A, B and C Plans') regardless of expenses actually
incurred by them. The distribution fees are accrued daily and payable monthly.
No distribution or service fees are paid to PSI as distributor for Class Z
shares of the Fund.
Pursuant to the Class A, B and C Plans, the Fund compensates PSI for
distribution-related activities at an annual rate of up to .30 of 1%, .50 of 1%
and .75 of 1% of the average daily net assets of the Class A, B and C shares,
respectively. Such expenses under the Plans were .10 of 1%, .50 of 1% and .75 of
1% of the average daily net assets of the Class A, B and C shares, respectively,
for the six months ended February 28, 1998.
PSI has advised the Series that they have received approximately $36,000 in
front-end sales charges resulting from sales of Class A shares during the six
months ended February 28, 1998. From these fees, PSI paid such sales charges to
affiliated broker-dealers, which in turn paid commissions to salespersons and
incurred other distribution costs.
PSI has advised the Series that for the six months ended February 28, 1998, it
received approximately $5,700 in contingent deferred sales charges imposed upon
certain redemptions by Class B shareholders.
PIFM, PIC and PSI are indirect, wholly owned subsidiaries of The Prudential
Insurance Company of America.
The Series, along with other affiliated registered investment companies (the
'Funds'), has a credit agreement (the 'Agreement') with an unaffiliated lender.
The maximum commitment under the Agreement is $200,000,000. Interest on any such
borrowings outstanding will be at market rates. The purpose of the Agreement is
to serve as an alternative source of funding for capital share redemptions. The
Series has not borrowed any amounts pursuant to the Agreement during the six
months ended February 28, 1998. The Funds pay a commitment fee at an annual rate
of .055 of 1% on the unused portion of the credit facility. The commitment fee
is accrued and paid quarterly on a pro rata basis by the Funds. The Agreement
expired on December 30, 1997 and has been extended through December 29, 1998
under the same terms.
- ------------------------------------------------------------
Note 3. Other Transactions with Affiliates
Prudential Mutual Fund Services LLC ('PMFS'), a wholly owned subsidiary of PIFM,
serves as the Fund's transfer agent. During the six months ended February 28,
1998, the Series incurred fees of approximately $15,800 for the services of
PMFS. As of February 28, 1998, approximately $2,600 of such fees were due to
PMFS. Transfer agent fees and expenses in the Statement of Operations include
certain out-of-pocket expenses paid to nonaffiliates.
- ------------------------------------------------------------
Note 4. Portfolio Securities
Purchases and sales of portfolio securities of the Series, excluding short-term
investments, for the six months ended February 28, 1998 were $10,860,345 and
$12,471,680, respectively.
The cost basis of investments for federal income tax purposes at February 28,
1998 was substantially the same as for financial reporting purposes and
accordingly, net unrealized appreciation of investments for federal income tax
purposes was $8,349,685 (gross unrealized appreciation--$8,376,463 gross
unrealized depreciation--$26,778).
During the six months ended February 28, 1998, the Fund entered into financial
futures contracts. Details of open contracts at February 28, 1998 are as
follows:
<TABLE>
<CAPTION>
                                                  Value at        Value at        Unrealized
  Number of                       Expiration    February 28,       Trade        Appreciation/
  Contracts           Type           Date           1998            Date        (Depreciation)
- --------------    ------------    ----------    ------------     ----------     --------------
<S>               <C>             <C>           <C>              <C>            <C>
Long Position:
30                U.S. T-Bond     June 1998      $3,614,062      $3,610,547        $  3,515
</TABLE>
- --------------------------------------------------------------------------------
                                       9
<PAGE>
                                        PRUDENTIAL MUNICIPAL SERIES FUND
Notes to Financial Statements 
(Unaudited)                             FLORIDA SERIES
- --------------------------------------------------------------------------------
The Series has a capital loss carryforward as of August 31, 1997 of
approximately $1,592,600 of which $1,460,000 expires in 2003 and $132,600
expires in 2005. Accordingly, no capital gains distribution is expected to be
paid until net gains have been realized in excess of the carryforward.
- ------------------------------------------------------------
Note 5. Capital
The Series offers Class A, Class B, Class C and Class Z shares. Class A shares
are sold with a front-end sales charge of up to 3%. Class B shares are sold with
a contingent deferred sales charge which declines from 5% to zero depending on
the period of time the shares are held. Class C shares, which prior to August 1,
1994 were known as D shares, are sold with a contingent deferred sales charge of
1% during the first year. Class B shares will automatically convert to Class A
shares on a quarterly basis approximately seven years after purchase. Special
exchange privileges are also available for shareholders who qualify to purchase
Class A shares at net asset value. Class Z shares are not subject to any sales
or redemption charge and are offered exclusively for sale to a limited group of
investors.
The Fund has authorized an unlimited number of shares of beneficial interest of
each class at $.01 par value per share. Transactions in shares of beneficial
interest for the six months ended February 28, 1998 and the fiscal year ended
August 31, 1997 were as follows:
<TABLE>
<CAPTION>
Class A                                 Shares         Amount
- ------------------------------------  ----------    ------------
<S>                                   <C>           <C>
Six months ended February 28, 1998:
Shares sold.........................     276,202    $  2,920,045
Shares issued in reinvestment of
  dividends.........................      89,979         951,291
Shares reacquired...................    (697,683)     (7,362,313)
                                      ----------    ------------
Net decrease in shares outstanding
  before conversion.................    (331,502)     (3,490,977)
Shares issued upon conversion from
  Class B...........................       6,633          69,946
                                      ----------    ------------
Net decrease in shares
  outstanding.......................    (324,869)   $ (3,421,031)
                                      ----------    ------------
                                      ----------    ------------
Year ended August 31, 1997:
Shares sold.........................     494,435    $  5,074,068
Shares issued in reinvestment of
  dividends.........................     213,918       2,200,461
Shares reacquired...................  (1,988,937)    (20,452,223)
                                      ----------    ------------
Net decrease in shares outstanding
  before conversion.................  (1,280,584)    (13,177,694)
Shares issued upon conversion from
  Class B...........................      87,091         891,335
                                      ----------    ------------
Net decrease in shares
  outstanding.......................  (1,193,493)   $(12,286,359)
                                      ----------    ------------
                                      ----------    ------------
<CAPTION>
Class B                                 Shares         Amount
- ------------------------------------  ----------    ------------
<S>                                   <C>           <C>
Six months ended February 28, 1998:
Shares sold.........................     340,636    $  3,602,133
Shares issued in reinvestment of
  dividends ........................      17,345         183,432
Shares reacquired...................    (110,639)     (1,171,397)
                                      ----------    ------------
Net increase in shares outstanding
  before conversion.................     247,342       2,614,168
Shares reacquired upon conversion
  into Class A......................      (6,630)        (69,946)
                                      ----------    ------------
Net increase in shares
  outstanding.......................     240,712    $  2,544,222
                                      ----------    ------------
                                      ----------    ------------
Year ended August 31, 1997:
Shares sold.........................     793,985    $  8,170,066
Shares issued in reinvestment of
  dividends ........................      34,104         350,919
Shares reacquired...................    (386,783)     (3,982,887)
                                      ----------    ------------
Net increase in shares outstanding
  before conversion.................     441,306       4,538,098
Shares reacquired upon conversion
  into Class A......................     (87,091)       (891,335)
                                      ----------    ------------
Net increase in shares
  outstanding.......................     354,215    $  3,646,763
                                      ----------    ------------
                                      ----------    ------------
<CAPTION>
Class C
- ------------------------------------
<S>                                   <C>           <C>
Six months ended February 28, 1998:
Shares sold.........................      34,840    $    371,986
Shares issued in reinvestment of
  dividends.........................       8,041          85,016
Shares reacquired...................     (35,748)       (375,569)
                                      ----------    ------------
Net increase in shares
  outstanding.......................       7,133    $     81,433
                                      ----------    ------------
                                      ----------    ------------
Year ended August 31, 1997:
Shares sold.........................      60,503    $    624,420
Shares issued in reinvestment of
  dividends.........................      19,401         199,548
Shares reacquired...................    (145,733)     (1,501,101)
                                      ----------    ------------
Net decrease in shares
  outstanding.......................     (65,829)   $   (677,133)
                                      ----------    ------------
                                      ----------    ------------
Class Z
- ------------------------------------
Six months ended February 28, 1998:
Shares sold.........................      50,172    $    528,598
Shares issued in reinvestment of
  dividends.........................         874           9,274
Shares reacquired...................     (18,709)       (200,000)
                                      ----------    ------------
Net increase in shares
  outstanding.......................      32,337    $    337,872
                                      ----------    ------------
                                      ----------    ------------
December 6, 1996(a) through
  August 31, 1997:
Shares sold.........................       9,024    $     93,865
Shares issued in reinvestment of
  dividends.........................         132           1,368
Shares reacquired...................        (119)         (1,251)
                                      ----------    ------------
Net increase in shares
  outstanding.......................       9,037    $     93,982
                                      ----------    ------------
                                      ----------    ------------
</TABLE>
- ------------------
(a) Commencement of offering of Class Z shares.
- --------------------------------------------------------------------------------
                                       10
<PAGE>
                                          PRUDENTIAL MUNICIPAL SERIES FUND
Financial Highlights (Unaudited)          FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                               Class A
                                            -----------------------------------------------------------------------------
                                             Six Months
                                               Ended                            Year Ended August 31,
                                            February 28,     ------------------------------------------------------------
                                                1998           1997         1996         1995         1994         1993
                                                ------       --------     --------     --------     --------     --------
<S>                                         <C>              <C>          <C>          <C>          <C>          <C>      <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period....      $  10.41       $  10.11     $  10.06     $   9.91     $  10.87     $  10.27
                                                ------       --------     --------     --------     --------     --------
Income from investment operations
Net investment income...................           .26            .54(a)       .57(a)       .59(a)       .59(a)       .57 a)
Net realized and unrealized gain (loss)
   on investment transactions...........           .24            .31          .05          .15         (.76)         .73
                                                ------       --------     --------     --------     --------     --------
   Total from investment operations.....           .50            .85          .62          .74         (.17)        1.30
                                                ------       --------     --------     --------     --------     --------
Less distributions
Dividends from net investment income....          (.26)          (.54)        (.57)        (.59)        (.59)        (.57)
Distributions in excess of net
   investment income....................            --           (.01)          --           --           --           --
Distributions from net realized gains...            --             --           --           --         (.20)        (.13)
                                                ------       --------     --------     --------     --------     --------
   Total distributions..................          (.26)          (.55)        (.57)        (.59)        (.79)        (.70)
                                                ------       --------     --------     --------     --------     --------
Net asset value, end of period..........      $  10.65       $  10.41     $  10.11     $  10.06     $   9.91     $  10.87
                                                ------       --------     --------     --------     --------     --------
                                                ------       --------     --------     --------     --------     --------
TOTAL RETURN(b):........................          4.89%          8.65%        6.20%        7.85%       (1.69)%      13.78%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period (000).........       $91,259        $92,579     $101,999     $120,963     $134,849     $148,900
Average net assets (000)................       $91,794        $97,700     $112,266     $124,259     $146,489     $123,820
Ratios to average net assets:
   Expenses, including distribution
      fees..............................           .78%(c)        .57%(a)      .37%(a)      .24%(a)      .20%(a)      .20  a)
   Expenses, excluding distribution
      fees..............................           .68%(c)        .47%(a)      .27%(a)      .17%(a)      .20%(a)      .20  a)
   Net investment income................          4.96%(c)       5.32%(a)     5.56%(a)     6.04%(a)     5.67%(a)     5.94  a)
For Class A, B and C shares:
   Portfolio turnover rate..............             9%            22%          68%          65%          75%          68%
</TABLE>
- ---------------
(a) Net of expense subsidy and fee waiver.
(b) Total return does not consider the effects of sales loads. Total return is
    calculated assuming a purchase of shares on the first day and a sale on the
    last day of each period reported and includes reinvestment of dividends and
    distributions. Total returns for periods of less than a full year are not
    annualized.
(c) Annualized.
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     11

<PAGE>
                                            PRUDENTIAL MUNICIPAL SERIES FUND
Financial Highlights (Unaudited)            FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                       Class B
                                            --------------------------------------------------------------
                                                                                                August 1,
                                             Six Months                                          1994(c)
                                               Ended             Year Ended August 31,           through
                                            February 28,     ------------------------------     August 31,
                                                1998          1997        1996        1995         1994
                                            ------------     -------     -------     ------     ----------
<S>                                         <C>              <C>         <C>         <C>        <C>        <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period....      $  10.41       $ 10.11     $ 10.06     $ 9.91       $ 9.95
                                                ------       -------     -------     ------        -----
Income from investment operations
Net investment income...................           .24           .50(a)      .53(a)     .55(a)       .04(a)
Net realized and unrealized gain (loss)
   on investment transactions...........           .24           .31         .05        .15         (.04)
                                                ------       -------     -------     ------        -----
   Total from investment operations.....           .48           .81         .58        .70           --
                                                ------       -------     -------     ------
Less distributions
Dividends from net investment income....          (.24)         (.50)       (.53)      (.55)        (.04)
Distributions in excess of net
   investment income....................            --          (.01)         --         --           --
                                                ------       -------     -------     ------        -----
   Total distributions..................          (.24)         (.51)       (.53)      (.55)        (.04)
                                                ------       -------     -------     ------        -----
Net asset value, end of period..........      $  10.65       $ 10.41     $ 10.11     $10.06       $ 9.91
                                                ------       -------     -------     ------        -----
                                                ------       -------     -------     ------        -----
TOTAL RETURN(b):........................          4.68%         8.22%       5.79%      7.39%       (0.05)%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period (000).........       $21,819       $18,820     $14,699     $8,326         $582
Average net assets (000)................       $20,288       $17,565     $12,570     $4,699         $118
Ratios to average net assets:
   Expenses, including distribution
      fees..............................          1.18%(d)       .97%(a)     .77%(a)    .67%(a)      .70%(   d)
   Expenses, excluding distribution
      fees..............................           .68%(d)       .47%(a)     .27%(a)    .17%(a)      .20%(   d)
   Net investment income................          4.56%(d)      4.92%(a)    5.16%(a)   5.56%(a)     6.21%(   d)
</TABLE>
- ---------------
(a) Net of expense subsidy and fee waiver.
(b) Total return does not consider the effects of sales loads. Total return is
    calculated assuming a purchase of shares on the first day and a sale on the
    last day of each period reported and includes reinvestment of dividends and
    distributions. Total returns for periods of less than a full year are not
    annualized.
(c) Commencement of offering of Class B shares.
(d) Annualized.
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     12

<PAGE>
                                             PRUDENTIAL MUNICIPAL SERIES FUND
Financial Highlights (Unaudited)             FLORIDA SERIES
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                             Class C
                                            --------------------------------------------------------------------------
                                                                                                             July 26,
                                             Six Months                                                      1993(d)
                                               Ended                   Year Ended August 31,                 through
                                            February 28,     ------------------------------------------     August 31,
                                                1998          1997        1996       1995        1994          1993
                                            ------------     -------     ------     -------     -------     ----------
<S>                                         <C>              <C>         <C>        <C>         <C>         <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period....      $  10.41       $ 10.11     $10.06     $  9.91     $ 10.87      $  10.58
                                                ------       -------     ------     -------     -------     ----------
Income from investment operations
Net investment income...................           .23           .48(a)     .50(a)      .53(a)      .48(a)        .03(a)
Net realized and unrealized gain (loss)
   on investment transactions...........           .24           .31        .05         .15        (.76)          .29
                                                ------       -------     ------     -------     -------     ----------
   Total from investment operations.....           .47           .79        .55         .68        (.28)          .32
                                                ------       -------     ------     -------     -------     ----------
Less distributions
Dividends from net investment income....          (.23)         (.48)      (.50)       (.53)       (.48)         (.03)
Distributions in excess of net
   investment income....................            --          (.01)        --          --          --            --
Distributions from net realized gains...            --            --         --          --        (.20)           --
                                                ------       -------     ------     -------     -------     ----------
   Total distributions..................          (.23)         (.49)      (.50)       (.53)       (.68)         (.03)
                                                ------       -------     ------     -------     -------     ----------
Net asset value, end of period..........      $  10.65       $ 10.41     $10.11     $ 10.06     $  9.91      $  10.87
                                                ------       -------     ------     -------     -------     ----------
                                                ------       -------     ------     -------     -------     ----------
TOTAL RETURN(b):........................          4.54%         7.95%      5.52%       7.12%      (2.40)%        3.14%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period (000).........        $7,581        $7,336     $7,792      $9,028     $11,185        $3,132
Average net assets (000)................        $7,272        $7,575     $8,293     $10,265      $9,280        $1,038
Ratios to average net assets:
   Expenses, including distribution
      fees..............................          1.43%(c)      1.22%(a)   1.02%(a)     .92%(a)     .95%(a)       .95%(a)(c)
   Expenses, excluding distribution
      fees..............................           .68%(c)       .47%(a)    .27%(a)     .17%(a)     .20%(a)       .20%(a)(c)
   Net investment income................          4.31%(c)      4.67%(a)   4.91%(a)    5.35%(a)    4.99%(a)      5.19%(a)(c)
<CAPTION>
                                                     Class Z
                                          -----------------------------
                                                           December 6,
                                           Six Months        1996(e)
                                             Ended           through
                                          February 28,      August 31,
                                              1998             1997
                                          ------------     ------------
<S>                                         <C>            <C>          <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period....    $  10.41         $  10.36
                                              ------           ------
Income from investment operations
Net investment income...................         .26              .41(a)
Net realized and unrealized gain (loss)
   on investment transactions...........         .24             (.06)
                                              ------           ------
   Total from investment operations.....         .50              .47
                                              ------           ------
Less distributions
Dividends from net investment income....        (.26)            (.41)
Distributions in excess of net
   investment income....................          --             (.01)
Distributions from net realized gains...          --               --
                                              ------           ------
   Total distributions..................        (.26)            (.42)
                                              ------           ------
Net asset value, end of period..........    $  10.65         $  10.41
                                              ------           ------
                                              ------           ------
TOTAL RETURN(b):........................        4.94%            4.57%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period (000).........        $441              $94
Average net assets (000)................        $378              $36
Ratios to average net assets:
   Expenses, including distribution
      fees..............................         .68%(c)          .47%(           )
   Expenses, excluding distribution
      fees..............................         .68%(c)          .47%(
   Net investment income................        5.07%(c)         5.48%(           )
</TABLE>
- ---------------
(a) Net of expense subsidy and fee waiver.
(b) Total return does not consider the effects of sales loads. Total return is
    calculated assuming a purchase of shares on the first day and a sale on the
    last day of each period reported and includes reinvestment of dividends and
    distributions. Total returns for periods of less than a full year are not
    annualized.
(c) Annualized.
(d) Commencement of offering of Class C shares. Prior to August 1, 1994, Class C
shares were called Class D shares.
(e) Commencement of offering of Class Z shares.
- --------------------------------------------------------------------------------
See Notes to Financial Statements.     13

<PAGE>

Getting The Most From Your Prudential Mutual Fund.
Some mutual fund shareholders won't ever read this -- they 
don't read annual and semi-annual reports. It's quite 
understandable. These annual and semi-annual reports are 
prepared to comply with Federal regulations. They are 
often written in language that is difficult to understand. 
So when most people run into those particularly daunting 
sections of these reports, they don't read them.

We think that's a mistake.

At Prudential Mutual Funds, we've made some changes to our 
report to make it easier to understand and more pleasant 
to read, in hopes you'll find it profitable to spend a few 
minutes familiarizing yourself with your investment. Here's 
what you'll find in the report:

At A Glance
Since an investment's performance is often a shareholder's 
primary concern, we present performance information in two 
different formats. You'll find it first on the "At A Glance" 
page where we compare the Fund and the comparable average calculated 
by Lipper Analytical Services, a nationally recognized mutual 
fund rating agency. We report both the cumulative total 
returns and the average annual total returns. The cumulative 
total return is the total amount of income and appreciation the Fund 
has achieved in various time periods. The average annual total 
return is an annualized representation of the Fund's performance -- it 
generally smoothes out returns and gives you an idea how much 
the Fund has earned in an average year, for a given 
time period. Under the performance box, you'll see legends that 
explain the performance information, whether fees and sales 
charges have been included in returns, and the inception dates 
for the Fund's share classes.

See the performance comparison charts at the back of the report 
for more performance information. And keep in mind that past 
performance is not indicative of future results.

Portfolio Manager's Report

The portfolio manager who invests your money for you reports 
onsuccessful -- and not-so-successful -- strategies in this 
section of your report. Look for recent purchases and sales 
here, as well as information about the sectors the portfolio manager 
favors and any changes that are on the drawing board. 

Portfolio Of Investments

This is where the report begins to look technical, but it's 
really just a listing of each security held at the end of 
the reporting period, along with valuations and other 
information. Please note that sometimes we discuss a security in the 
Portfolio Manager's Report that doesn't appear in this listing 
because it was sold before the close of the reporting period.

<PAGE>
Statement Of Assets And Liabilities

The balance sheet shows the assets (the value of the 
Fund's holdings), liabilities (how much the Fund owes) and 
net assets (the Fund's equity, or holdings after the Fund 
pays its debts) as of the end of the reporting period. It 
also shows how we calculate the net asset value per share 
for each class of shares. The net asset value is reduced 
by payment of your dividend, capital gain, or other 
distribution, but remember that the money or new shares 
are being paid or issued to you. The net 
asset value fluctuates daily along with the value of 
every security in the portfolio. 

Statement Of Operations

This is the income statement, which details income (mostly 
interest and dividends earned) and expenses (including 
what you pay us to manage your money). You'll also see 
capital gains here -- both realized and unrealized.

Statement Of Changes In Net Assets

This schedule shows how income and expenses translate into 
changes in net assets. The Fund is required to pay out the 
bulk of its income to shareholders every year, and this 
statement shows you how we do it --  through dividends 
and distributions -- and how that affects the net assets. 
This statement also shows how money from investors flowed 
into and out of the Fund.

Notes To Financial Statements

This is the kind of technical material that can intimidate 
readers, but it does contain useful information. The Notes 
provide a brief history and explanation of your Fund's 
objectives. In addition, they also outline how Prudential 
Mutual Funds prices securities. The Notes also explain who 
manages and distributes the Fund's shares, and more 
importantly, how much they are paid for doing so. 
Finally, the Notes explain how many shares are outstanding 
and the number issued and redeemed over the period.

Financial Highlights

This information contains many elements from prior pages, 
but on a per share basis. It is designed to help you 
understand how the Fund performed and to compare this 
year's performance and expenses to those of prior years.

Independent Auditor's Report

Once a year, an outside auditor looks over our books and 
certifies that the information is fairly presented and 
complies with generally accepted accounting principles.

Tax Information

This is information which we report annually about how much 
of your total return is taxable. Should you have any questions, 
you may want to consult a tax advisor.

Performance Comparison

These charts are included in the annual report and are required 
by the Securities Exchange Commission. Performance is 
presented here as a hypothetical $10,000 investment in 
the Fund since its inception or for 10 years (whichever 
is shorter). To help you put that return in context, we 
are required to include the performance of an unmanaged, 
broad based securities index, as well. The index does not 
reflect the cost of buying the securities it contains or 
the cost of managing a mutual fund. Of 
course, the index holdings do not mirror those of the 
fund -- the index is a broadly based reference point 
commonly used by investors to measure how well they 
are doing. A definition of the selected index is also 
provided. Investors generally cannot 
invest directly in an index.

<PAGE>
Getting The Most From Your Prudential Mutual Fund.
How many times have you read these letters -- or other 
financial materials -- and stumbled across a word that 
you don't understand? 

Many shareholders have run into the same problem. We'd 
like to help. So we'll use this space from time to time 
to explain some of the words you might have read, but not 
understood. And if you have a favorite word that no one 
can explain to your satisfaction, please write to us.

Basis Point: One 1/100th of 1%. For example, one half of 
one percentage point is 50 basis points.

Call Option: A contract giving the holder a right to buy 
stocks or bonds at a predetermined price (called the strike 
price) before a predetermined expiration date. A buyer of a 
call option generally expects to benefit from a rise in the 
price of the stock or bond.

Capital Gain/Capital Loss: The difference between the cost 
of a capital asset (for example, a stock, bond or mutual 
fund share) and its selling price. Under current law the 
federal income tax rate for individuals on a long-term 
capital gain is up to 28%.

Collateralized Mortgage Obligations (CMOs): Pools of 
mortgage-backed securities sliced in maturity ranges 
that bear differing interest rates. These instruments 
are sensitive to changes in interest rates and homeowner 
refinancing activity. They are 
subject to prepayment and maturity extension risk.

Derivatives: Securities that derive their value from another 
security. The rate of return of these financial products 
rises and falls -- sometimes very suddenly -- in response 
to changes in some specific interest rate, currency, stock 
or other variable.

Discount Rate: The interest rate charged by the Federal 
Reserve on loans to banks and other depository institutions.

Federal Funds Rate: The interest rate charged by one bank 
to another on overnight loans.

Futures Contract: An agreement to deliver a specific amount 
of a commodity or financial instrument at a set price at a 
stipulated time in the future.

Leverage: The use of borrowed assets to enhance return on 
equity. The expectation is that the interest rate charged 
will be lower than the return on the investment. While 
leverage can increase profits, it can also magnify losses.

Liquidity: The ease with which a financial instrument 
(or mutual fund) can be bought or sold (converted into 
cash) in the financial markets.

Price/Earnings Ratio: The price of a share of stock 
divided by the earnings per share for a 12-month period.

Option: An agreement to sell something, such as shares 
of stock, by a certain time for a specified price. An 
option need not be exercised.

Spread: The difference between two values; most often 
used to describe the difference   between prices bid 
and asked for a security.

Yankee Bond: A bond denominated in U.S. dollars but 
sold by a foreign company or government in the U.S. market.

<PAGE>
Prudential Mutual Funds
Gateway Center Three
100 Mulberry Street
Newark, NJ  07102-4077

(800) 225-1852
http://www.prudential.com

Trustees
Edward D. Beach
Eugene C. Dorsey
Delayne Dedrick Gold
Robert F. Gunia
Harry A. Jacobs, Jr.
Mendel A. Melzer, CFA
Thomas T. Mooney
Thomas H. O'Brien
Richard A. Redeker
Nancy H. Teeters
Louis A. Weil, III

Officers
Richard A. Redeker, President
Robert F. Gunia, Vice President
Grace C. Torres, Treasurer
Stephen M. Ungerman, Assistant Treasurer
S. Jane Rose, Secretary
Deborah A. Docs, Assistant Secretary

Manager
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077

Investment Adviser
The Prudential Investment Corporation
Prudential Plaza
Newark, NJ 07102-3777

Distributor
Prudential Securities Incorporated
One Seaport Plaza
New York, NY 10292

Custodian
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171

Transfer Agent
Prudential Mutual Fund Services LLC
P.O. Box 15005
New Brunswick, NJ 08906

Independent Accountants
Price Waterhouse LLP
1177 Avenue of the Americas
New York, NY 10036

Legal Counsel
Shereff, Friedman, Hoffman & Goodman, LLP
919 Third Avenue
New York, NY 10022

The views expressed in this report and information about 
the Series' portfolio holdings are for the period covered 
by this report and are subject to change thereafter.

The accompanying financial statements as of February 28, 
1998 were not audited and, accordingly, no opinion is 
expressed on them.

This report is not authorized for distribution to prospective 
investors unless preceded or accompanied by a current prospectus.

<PAGE>
Prudential Mutual Funds
Gateway Center Three
100 Mulberry Street
Newark, NJ  07102-4077
(800) 225-1852

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