Hitchcock, Albert Spear, 1865-1935 Manual of the grasses of the United States / by A. S. Hitchcock. - Washington : United States Government Printing Office, 1935. - 1040 : il. - Miscellaneous publication / United States Department of Agriculture ; no. 200 . LCCN: unk82061919 Subjects--Topical Terms: GramÃneas--Estados Unidos. Dewey Class. No.: 584.90973