Gray, Asa, 1810-1888 Gray's manual of botany / largely rewritten and expanded by Merritt Lyndon Fernald - 8th (Centennial) ed. - New York : D. Van Nostrand Co., 1950 - lxiv, 1632 p. : ill. ; 24 cm. Includes indexes Subjects--Topical Terms: Botany--United States