Mrs. Beulah Sandres, a black vice-president of the National Welfare Rights Organization, said. "We join you in your fight against repression." But there appeared to be few blacks or welfare mothers among the white college students on the Ellipse lawn.

Students began arriving in Washington in large numbers Friday morning. While Harvard students and others lobbied on Capitol Hill, hundreds were entertained by Guerilla Theatre troopers in Lafayette Park.

Friday night, yippie Abbie Hoffman and Doug Miranda of the Black Panthers spoke to several thousand students gathered in the Sylvan Theatre, an open-air bowl at the foot of the Washington Monument. Hoffman called the Monument "The world's largest hard-on."

The crowd watched Nixon's press conference on a television on stage. After the conference was over. Hoffman threw the television on the ground and smashed it to pieces.

Early Saturday morning, after his press conference, Nixon paid a surprise visit to a startled group of students at the Lincoln Memorial. He discussed football with a student from Syracuse, and surfing with a girl from California. He said he had been unable to sleep.