Proceedings of the American Academy of Arts and Sciences. 
Vou. XXXIII. No. 17. — May, 1898, 
ISSUED, 
MAY 11 1898 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series. — No. XIII. 
By B. L. Rosryson. 
See ee aI eee ee ee gee ee en 
I. Revision of the North American and Mexican species of Mimosa. 
q II. Revision of the North American species of Meptunia. 
