Sweet-clover seed.
Subtitle: Pt. I.--Pollination studies of seed production. Pt. II--Structure and chemical nature of the seed coat and its relation to impermeable seeds of sweet clover.
By: By H.S. Coe ... and J.N. Martin ...
Contributors: Martin, John Nathan, [from old catalog] joint author.
Publisher: Govt. print. off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 39