Celtics Maul Bullets, 109-91, Lead Best-of-Seven Series, 1-0

The Boston Celtics paced by 21 points from M.I. Carr, toppled the Washington Bullets, 109-91, at Boston Garden yesterday to take a 1-0 lead in their best-of-seven Eastern Conference semifinal series.

In the other Eastern Conference semifinal, the Philadelphia 76ers the Central Division champions Milwaukee Bucks, 125-122 in Milwaukee.

The Bullets who eliminated New Jersey, 2-0, in their mini-series, led, 52-50, at halftime, but were put away by a third-quarter Boston spurt. The teams will meet again Wednesday night at Boston Garden in Game Two of the series.

Elsewhere, in the deciding game of their best-of-three mini-series, the Seattle Supersonics moved into the Western Conference semifinals with a 104-83 victory over the Houston Rockets in Seattle. The Sonics, who beat Houston, 102-87, in the first game but dropped a 91-70 decision Friday night, will now play San Antonio, which received a first-round bye Phoenix will meet Los Angeles in the other Western Conference semifinal series.

WASINGTON 91

Haywood 7 3-3 17, Ballard 5 0-0 10, Mahorn 4 2-2 10, Johnson 7 0-1 14, Collins 4 2-2 10, Ruland 2 1-2 5, Lucas 5 0-0 10, Grevey 2 5-6 9, Davis 1 0-0 2, Chones 0 1-2 1, Witts 1 1-2 3, Terry 0 0-0 0, Totals 38 15-20 91.

BOSTON 109

Maxwell 3 3-6 9, Bird 3 4-4 10, Parish 6 2-2 14, Archibald 4 4-4 12, Carr 9 3-5 21, McHale 6 4-4 16, Henderson 3 3-4 9, Ford 2 0-0 4, Robey 3 4-5 10, Ainge 1 0-0 2, Bradley 1 0-0 2, Fernsten 0 0-0 0, Totals 41 27-34 109. Wasington  27  25  15  24  91 Boston  29  21  24  35  109

Three-point goals--none, Fouled out--none, Total, fouls--Washington 26, Boston 19, Attendance--15,320.

Three-point goals--none, Fouled out--none, Total, fouls--Washington 26, Boston 19, Attendance--15,320.