Directions for collecting flowering plants and ferns
By: S.F. Blake
Contributors: United States. Bureau of Plant Industry
Edition: Slightly rev. Oct. 1932.
Series: Department circular / United States Department of Agriculture -- 76; Department circular (United States. Dept. of Agriculture) -- 76.
Publisher: [U.S. Dept. of Agriculture]; U.S. G.P.O.
Published: 1932
Place of publication: Washington, D.C
Language: eng
Subjects: Botanical specimens; Collection and preservation; Flowers; Ferns
Notes: Cover title.

"Contribution from the Bureau of Plant Industry (Office of Economic and Systematic Botany)."

Originally issued January, 1920.