TERMINATION dated March 30, 1998 to AGREEMENT dated September 1, 1995 The undersigned hereby agree that the Agreement, dated September 1, 1995, between the undersigned, relating to the joint filing of a Schedule 13D pursuant to the Securities Exchange...

                                                                       EXHIBIT 7

                                   TERMINATION
                              dated March 30, 1998
                                       to
                                    AGREEMENT
                             dated September 1, 1995


         The  undersigned  hereby agree that the Agreement,  dated  September 1,
1995,  between the  undersigned,  relating to the joint filing of a Schedule 13D
pursuant to the  Securities  Exchange  Act of 1934 with  respect to ownership of
common shares of beneficial interest of Hospitality Properties Trust, a Maryland
real estate investment trust, is hereby terminated.

Date:  March 30, 1998

                                HEALTH AND RETIREMENT PROPERTIES TRUST


                                By: /s/  Xxxx Xxxxx
                                     Xxxx Xxxxx, Treasurer and Chief Financial
                                     Officer


                                HRPT ADVISORS, INC.


                                By: /s/ Xxxxxx X. X'Xxxxx
                                     Xxxxxx X. X'Xxxxx, Vice President