America's college basketball coaches adjourned their convention in St. Louis on Monday and reconvened yesterday at the De Matha High School gymnasium in Hyattsville.

The occasion was the first practice session of the U.S. All-Star team in preparation for Thursday night's Capital Classic at the Capital Centre.

Lefty Driesell and his staff and Michigan Coach Johnny Orr were among the early arrivals yesterday. Joe B. Hall, coach of the new national championship Kentucky team, is expected this afternoon.

The object of their attention is a 12 man U.S. team describned as awesome yesterday by the man who helped pick the squad, De Matha Coach Morgan Wooteen.

The U.S. team, coached by Washington area players coached by CZhurch ill's Les Lombardi. "On paper, and I hate to say this, our kids don't have a chance unless they have a great shooting night," Wootten said yesterday.

Tallest player on the Washington team is 6 foot 7 Bryant Johnson of Springarn. The U.S. gas 6-11 Rudy Woods of Bryan, Texas, "and a whole bunch of 6-5s and 6-6s who jump out of the gym," according to Wootten.

Greg Goorjian, 6-2 guard from La Crescenta, Calif., averaged 43 points a game his senior season, and may not even start. Other standouts include Mak Aguirre, player of the year in Illinois and Dwight Anderson, 6-3 guard from Dayton, Ohio, who already has signed with Kentucky.

The U.S. team tourned the White House and the Air and Space Museum yesterday and will visit patients at Children's Hospital today. Proceeds from the game are earmarked for the hospital.