Proceedings of the American Academy of Arts and Sciences. 



\'oL. 54. No. 4. — OcTOuicR, 1918. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. 



New Series. — No. LV. 



I. Diagnoses and Notes relating to tropical American Eupatoricae. 

 II. A descriptive Revision of the Colombian Eupatoriums. 

 III. Keyed Recensions of the Eupatoriums of Venezuela and 

 Ecuador. 



By B. L, Robinson. 



