Manual of botany
Subtitle: a handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada
By: Asa Gray.
Contributors: Fernald, Merritt Lyndon, 1873-
Edition: 8th edition.
Publisher: American Book
Published: 1950
Place of publication: New York
Number of pages: 1632
Subjects: Botany -- United States
Notes: Largely rewritten and expanded by Merritt Lyndon Fernald, with the assistance of specialists in some groups.

First edition published in 1848 under title : A manual of the botany of the northern United States.