43-2 
Proceedings of the American Academy of Arts and Sciences. 
Vou. XLII. No. 2.— June, 1907. 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
| HARVARD UNIVERSITY. 
New Serums. — No. XXXIV. 
I. New Species of Senecio and Schoenocaulon from Mexico. By 
J. M. GrEENMAN. 
I]. New. or otherwise Noteworthy Spermatophytes, chiefly from 
Mexico. By B. L. Rosrson. 
III. New Plants from Guatemala and Mexico collected chiefly by 
C. C. Deam. By B. L. Rosison anv H. H. Barttert. 
IV. Diagnoses of New Spermatophytes from Mexico. By M. L. 
FERNALD. 
