Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 2. — June, 1907. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. 



New Series. — No. XXXIV. 



LIBRARY 

 NEW YORK 

 BOTANICAL 



EN 



I. New Species of Senecio and Schoenocaulon from Mexico. By 

 J. M. Greenman. 



II. New or otherwise Noteworthy Spennatophytes, chiefly from 

 Mexico. By B. L. Robinson. 



III. New Plants from Guatemala and Mexico collected chiefly by 



C. C. Deam. By B. L. Robinson and H. H. Bartlett. 



IV. Diagnoses of New Spennatophytes from Mexico. By M. L. 



Fernald. 



