Proceedings of the American Academy of Arts and Sciences. 
VoL. XXXVI. No. 26. — Apri, 1901. 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series.—No. XX. 
By B. L. Ropryson. 
I. Synopsis of the Genus Melampodium. 
II. Synopsis of the Genus Nocea. 
Il. New Species and newly noted Synonymy among the Spermato- 
phytes of Mexico and Central America. 
