Proceedings of the Boston Society of Natural History. 
Vol. 31, No. 6, 
p. 247-271. 
-v ■ 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD 
UNIVERSITY. NEW SERIES.—No. 27. 
& 
By B. L. Robinson. 
BOSTON: 
PRINTED FOR THE SOCIETY. 
February, 1904. 
