Production of certain iris bulbs
By: by David Griffiths
Series: Circular / United States Department of Agriculture -- no. 25; Circular (United States. Dept. of Agriculture) -- no. 25.
Publisher: U.S. Dept. of Agriculture
Published: 1928
Place of publication: Washington, D.C
Language: eng
Number of pages: 23
Subjects: Iris (Plants)
Notes: Caption title.

"Contribution from Bureau of Plant Industry."

Includes bibliographical references.