HEALTH PROPERTIES <HRP> TO BUY PROPERTIES Health and Rehabilitation Properties Trust said it reached an understanding to purchase three nursing facilities in Mass. and Conn. for 29 mln dlrs from Greenery Rehabilitation Group Inc <GRGI.O>. The buildings will be leased back to Greenery for an initial term of seven years, subject to renewal options for an additional 23 years, Health and Rehabilitation Properties said. The transaction is expected to close on or before August 31.