Spermatogenesis and fecundation of Zamia
By: By Herbert J. Webber
Contributors: United States. Department of Agriculture; United States. Bureau of Plant Industry
Series: Bulletin / U.S. Department of Agriculture. Bureau of Plant Industry -- no. 2; Bulletin (United States. Bureau of Plant Industry) -- no. 2.
Publisher: U.S. G.P.O.
Published: 1901
Place of publication: Washington
Language: eng
Number of pages: 100
Subjects: Plants; Reproduction; Zamia; Agriculture; Periodicals
Notes: At head of title: U.S. Department of Agriculture. Bureau of Plant Industry ...

Issued also as the author's thesis (PH. D) Washington University, St. Louis, 1901.

Bibliography: p. 87-92.