Proceedings of the American Academy of Arts and Sciences. 
Vou, 54. No. 4.— Ocrosprr, 1918. 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series.— No. LY. 
I. Diagnoses and Notes relating to tropical American Eupatoricae. 
Il. A descriptive Revision of the Colombian Eupatoriums. 
III. Keyed Recensions of the Eupatoriums of Venezuela and 
Ecuador. 
oe, 
By B. L. Rostnson. 

