The rubber content of two species of Cryptostegia and of an interspecific hybrid in Florida
By: by Loren G. Polhamus, Harlan H. Hill, and Joseph A. Elder.
Contributors: Elder, Joseph A. 1908-; Hill, Harlan H.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 457; Technical bulletin (United States. Dept. of Agriculture) -- no. 457.
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Rubber plants.
Notes: Cover title.

Contribution from Bureau of Plant Industry.

Literature cited: p. 21-22.