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Proceedings of the American Academy of Arts and Sciences. 
Vou. 55. No, 1.—Novemser, 1919. 

CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Serres. — No. LX. 


es I. On tropical American Compositae, chiefly Eupatorieae. 
II. A Recension of the Eupatoriums of Peru. 
By B. L. RosBInson. 
