SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 12b-25

                                                  Commission File Number 0-26476

                           NOTIFICATION OF LATE FILING

       (Check One): [ ] Form 10-K  [ ] Form 11-K   [ ] Form 20-F   [X] Form 10-Q
                    [ ] Form N-SAR
For Period Ended:   June 30, 2002
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[ ]   Transition Report on Form 10-K         [ ] Transition Report on Form 10-Q
[ ]   Transition Report on Form 20-F         [ ] Transition Report on Form N-SAR
[ ]   Transition Report on Form 11-K

For the Transition Period Ended   N/A
                                ------------------------------------------------

         Read attached  instruction sheet before preparing form. Please print or
type.

         Nothing in this form shall be  construed  to imply that the  Commission
has verified any information contained herein.

         If the  notification  relates to a portion of the filing checked above,
identify item(s) to which the notification relates:   N/A
                                                   -----------------------------

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                         Part I. Registrant Information

Full name of registrant      GlycoGenesys, Inc.
                        --------------------------------------------------------

Former name if applicable

SafeScience, Inc.
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Address of principal executive office (Street and number)

  Park Square Building, 31 St. James Avenue, 8th Floor,
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City, State and Zip Code   Boston, Massachusetts 02116
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                         Part II. Rule 12b-25(b) and (c)

         If the subject report could not be filed without unreasonable effort or
expense  and  the  registrant  seeks  relief  pursuant  to Rule  12b-25(b),  the
following should be completed. (Check appropriate box.)

[X]     (a) The reasons described in reasonable detail in Part III of this form
         could not be eliminated without unreasonable effort or expense;

[X]      (b) The subject annual report, semi-annual report, transition report on
         Form 10-K,  20-F,  11-K or Form N-SAR, or portion thereof will be filed
         on or before 15th calendar day following  the  prescribed  due date; or
         the subject  quarterly  report or  transition  report on Form 10-Q,  or
         portion  thereof  will be filed on or  before  the fifth  calendar  day
         following the prescribed due date; and



[ ]      (c) The  accountant's  statement  or  other  exhibit  required  by Rule
         12b-25(c) has been attached if applicable.

                               Part III. Narrative

         State below in reasonable detail the reasons why Form 10-K, 11-K, 20-F,
10-Q,  N-SAR or the transition  report portion thereof could not be filed within
the prescribed time period. (Attach extra sheets if needed).

                  The Registrant is unable to complete its financial  statements
         within  the  prescribed  time  period  without  unreasonable  effort or
         expense.

                           Part IV. Other Information

         (1)    Name and telephone number of person to contact in regard to this
                notification.

Bradley J. Carver                                           (617) 422-0674
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    (Name)                                        (Area Code) (Telephone Number)

         (2)  Have  all other  periodic reports  required under  Sections 13 and
15(d) of the  Securities  Exchange  Act of 1934 or Section 30 of the  Investment
Company Act of 1940 during the  preceding 12 months or for such  shorter  period
that the  registrant  was  required to file such  report(s)  been filed?  If the
answer is no, identify report(s).
                                                    [ X ] Yes           [   ] No

          (3) Is it  anticipated  that any  significant  change  in  results  of
operations  from the  corresponding  period  for the last  fiscal  year  will be
reflected by the  earnings  statements  to be included in the subject  report or
portion thereof?
                                                    [  ] Yes            [ X ] No

         If so attach an explanation of the anticipated change, both narratively
and  quantitatively,  and, if  appropriate,  state the reasons why a  reasonable
estimate of the results cannot be made.



GlycoGenesys,  Inc. has caused this  notification  to be signed on its behalf by
the undersigned thereunto duly authorized.

Date:      August 14, 2002                     By: /s/ Bradley J. Carver
     ------------------------                     ------------------------------
                                                  Name: Bradley J. Carver
                                                  Title: Chief Executive Officer
                                                         and President