Proceedings of the American Academy of Arts and Sciences. 
VoL. XLIX. No. 6.—SnpremBer, 1913. 
ISSUED 
SEP 20 1913 
CONTRIBUTIONS FROM THE GRAY HERBARIUM 
OF HARVARD UNIVERSITY. 
New Seriges.— No. XLI. 
By Sipney F. Buake. 
I. A Redisposition of the Species heretofore referred to Leptosyne. 
II. A Revision of Encelia and some related Genera. 
