Volume 13, Issue 3 (1992)This issue of Volume 13 was published 20th October, 1992.
A Revision of the Allium Fimbriatum (Alliaceae) Complex
Dale W. McNeal
The Presence of Taxol and Related Compounds in Taxus Baccata Native to the Ukraine (Crimea), Georgia, and Southern Russia
Thomas S. Elias and Vladislav V. Korzhenevsky
Nonglandular Trichomes of Californian and Hawaiian Tarweeds
Andrew A. Maclachlan and Sherwin Carlquist