Volume 21, Issue 1 (2002)
Front Matter
Articles
Genetic Control of Self-Incompatibility in Centromadia (Hemizonia) Pungens Subsp. Laevis (Madiinae, Asteraceae)
Elizabeth A. Friar and Tasha LaDoux
Wood and Bark Anatomy of Myricaceae: Relationships, Generic Definitions, and Ecological Interpretations
Sherwin Carlquist
The Chromosome Number of Schaffnerella Gracilis (Gramineae, Chloridoideae)
J. Travis Columbus and Nancy F. Refulio-Rodriguez
New Species of Phoradendron (Viscaceae) from Mexico and Guatemala and a Synopsis of Species in Section Pauciflorae
Delbert Wiens and Frank Hawksworth