UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 13-G

Under the Securities Exchange Act of 1934


Name of Issuer:  Manufactured Home Communities
Title Class of Securities:  Common Stock
CUSIP Number:  564682102

CUSIP No. 564682102  

1. NAME OF REPORTING PERSON
IRS IDENTIFICATION NO. OF ABOVE PERSON

State Board of Administration of Florida
Florida Retirement System - Federal ID # 59-6001872

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

Florida Retirement System (Pension Fund)

[  ] a
[  ] b

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

1801 Hermitage Boulevard, Suite 100
P.O. Box 13300
Tallahassee,  FL  32317-3300

5. SOLE VOTING POWER
   1,150,000 Shares
 	
6. SHARED VOTING POWER
   N/A

7. SOLE DISPOSITIVE POWER
   1,150,000 Shares

8. SHARED DISPOSITIVE POWER
    N/A

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   1,150,000 Shares

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
SHARES
      N/A

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
     4.40 percent

12. TYPE OF REPORTING PERSON

EP (Employee Benefit Plan, Pension Fund, or Endowment Fund)





GENERAL INSTRUCTIONS

A. Statements containing the information required by this schedule 
shall be 
filed not later than February 14 following the calendar year 
covered by the 
statement or within the time specified in rule 13d-1(b)(2), if 
applicable.

B. Information contained in a form which is required to be filed 
by rules 
under section 13(f) (15 U.S.C.  78 m(f)) for the same calendar 
year as that 
covered by a statement on this schedule may be incorporated by 
reference in 
response to any of the items of this schedule.  If such 
information is 
incorporated by reference in this schedule, copies of relevant 
pages of such 
form shall be filed as an exhibit to this schedule.

C. The item numbers and captions of the items shall be included 
but the text 
of the items is to be omitted.  The answers to the items shall be 
so prepared 
as to indicate clearly the coverage of the items without referring 
to the 
text of the items.   Answer every item.  If an item is 
inapplicable or the 
answer is in the negative, so state.

Item 1.
(a) Name of Issuer
(a) Address of Issuer's Principal Executive Offices

Item 2.
(a) Name of Person Filing
(a) Address of Principal Business Office, or if none, Residence
(a) Citizenship
(a) Title of Class of Securities
(a) CUSIP Number

Item 3.If this statement is filed pursuant to Rule 13d-1(b), or 
13d-2(b), 
check whether the person filing is a:
(a) [  ] Broker or Dealer registered under Section 15 of the Act
(b) [  ] Bank as defined in section 3(a)(6) of the Act
(c) [  ] Insurance Company as defined in section 3(a)(19) of the 
act
(d) [  ] Investment Company registered under section 8 of the 
Investment 
Company Act
(e) [  ] Investment Adviser registered under section 203 of the 
Investment 
Advisers Act of 1940
(f) [X] Employee Benefit Plan, Pension Fund which is subject to 
the 
provisions of the Employee Retirement Income Security  Act of 1974 
or 
Endowment Fund; see s. 240.13d-1(b)(1)(ii)(F)
(g) [  ] Parent Holding Company, in accordance with s. 240.13d-
1(b)(ii)(G) 
(note: see item 7)
(h) [  ] Group, in accordance with s. 240.13d-1(b)(1)(ii)(H)

Item 4.  Ownership
  If the percent of the class owned, as of December 31 of the year 
covered by 
the statement, or as of the last day of any month described in 
Rule 13d-
1(b)(2), if applicable, exceeds five percent, provide the 
following 
information as of that date and identify those shares which there 
is a right 
to acquire.

(a) Amount Beneficially Owned
(b) Percent of Class
(c) Number of shares as to which such person has:
        (i)  sole power to vote or to direct the vote
        (ii) shared power to vote or to direct the vote
        (iii)sole power to dispose or to direct the disposition of 
        (iv) shared power to dispose or to direct the disposition 
of

Item 5.   Ownership of Five Percent or Less of a Class
(a) If this statement is being filed to report the fact that as of 
the date 
hereof the reporting person has ceased to be the beneficial owner 
of more 
than five percent of the class of securities, check the following:  
[ X ]

Item 6.  Ownership of More than Five Percent on Behalf of Another 
Person
If any other person is known to have the right to receive or the 
power to 
direct the receipt of dividends from, or the proceeds from the 
sale of, such 
securities, a statement to that effect should be included in 
response to this 
item and, if such interest relates to more than five percent of 
the class, 
such person should be identified.  A listing of the shareholders 
of an 
investment company registered under the Investment Company Act of 
1940 or the 
beneficiaries of employee benefit plan, pension fund, or endowment 
fund is 
not required.

Item 7.  Identification and Classification of the Subsidiary Which 
Acquired 
the Security Being Reported on By the Parent Holding Company
	If a parent holding company has filed this schedule, pursuant 
to Rule 
13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit 
stating 
the identity and the Item 3 classification  of the relevant 
subsidiary.  If a 
parent holding company has filed this schedule pursuant to Rule 
13d-1(c), 
attach an exhibit stating the identification of the relevant 
subsidiary.

Item 8.  Identification and Classification of Members of the Group
	If a group has filed this schedule pursuant to Rule 13d-
1(b)(ii)(H), so 
indicate under Item 3(h) and attach an exhibit stating the 
identity and Item 
3 classification of each member of the group.  If a group has 
filed this 
schedule pursuant to Rule 13d-1(c), attach an exhibit stating the 
identity of 
each member of the group.

Item 9.  Notice of Dissolution of Group
	Notice of dissolution of group may be furnished as an exhibit 
stating 
the date of dissolution and that all further filings with respect 
to 
transactions in the security reported on will be filed, if 
required, by 
members of the group, in their individual capacity.  See Item 5.

Item 10.  Certification
	The following certification shall be included if the 
statement is filed 
pursuant to Rule 13d-1(b):
	By signing below I certify that, to the best of my knowledge 
and 
belief, the securities referred to above were acquired in the 
ordinary course 
of business and were not acquired for the purpose of and do not 
have the 
effect of changing or influencing the control of the issuer of 
such 
securities and were not acquired in connection with or as a 
participant in 
any transaction having such purposes or effect.

SIGNATURE

	After reasonable inquiry and to the best of my knowledge and 
belief, I 
certify that the information set forth in this statement is true, 
complete 
and correct.

Date: 2/5/99

Signature: Tom Herndon

Name/Title:Tom Herndon, Executive Director