Proceedings of the American Academy of Arts and Sciences. 

 Vol.55. No. 1. — November, 1919. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY 



New Series. — No. LX. 



I. On tropical American Compositae, chiefly Eupatorieae. 

 11. A Recension of the Eupatoriums of Peru. 



By B. L. Robinson. 



