Friends of 94-year-old matriarch Rose Kennedy are saying she has made an "almost miraculous" recovery from a stroke she suffered last spring. Because of the stroke, she did not winter in Florida for the first time in 20 years. She is still being fed through a tube in her stomach, but sits up and is able to recognize people . . .

Football great Jim Brown entered a plea of innocent at his arraignment yesterday on charges he raped, sexually battered and assaulted a schoolteacher last month in his Hollywood home. He told reporters he would prove his innocence . . .

A Florida chemist has reported that two drugs found in David Kennedy's body were also discovered in the toilet in his hotel room, adding to police suspicion that drugs were removed from the room before Kennedy was found dead of a drug overdose April 25 . . .

The estate of the late Tennessee Williams has filed a $2 million suit against Williams' former agent, Bill Barnes, over ownership of the playwright's unpublished diaries . . .

Texas businessman William Moss threw a party for Attorney General Edwin Meese and his wife Ursula last night at the Georgetown Club. The party was Moss' way of getting together the friends of the attorney general who stuck by him during his battle for his Cabinet seat. The guest list included former attorney general William French Smith and his wife Jean; Sen. Paul Laxalt and his wife Carol; Sen. Alan Simpson and his wife Ann; Joe Allbritton, chairman of Riggs National Bank; USIA Director Charles Z. Wick and his wife Mary Jane; former secretary of transportation Drew Lewis; TV producer Nancy Dickerson; and James Robinson, head of American Express . . .

It isn't widely known, but the first document that President Reagan and Canadian Prime Minister Brian Mulroney signed at their summit meeting last weekend was a birthday card for 13-year-old Melissa Auf der Maur, the daughter of a Montreal Gazette columnist. The leaders signed the card in recognition of her Canadian-American heritage . . .