Proceedings of the American Academy of Arts and Sciences. 
Voit. XXXIII. No. 5. — Octoser, 1897. 
Srrmrraek Cel. 12,1847, 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series. — No. XIL 
By M. L. FERNALD. 
I. A Systematic Study of the United States and Mexican Species 
of Pectis. 
ae 5 tie Sah a 
a II. Some Rare and Undescribed Plants collected by Dr. Edward Palmer, 
: at Acapulco, Mexico. 
