CONTRIBUTIONS FROM THE GRAY HERBARIUM 
OF HARVARD UNIVERSITY. Bee a, 
New SERIES, No. vil. 
FURTHER NEW AND IMPERFECTLY KNOWN | 
PLANTS COLLECTED IN MEXICO BY C.G. . .— 
PRINGLE IN THE SUMMER’ OF 1893. : 
BY 
afl a =< a 
B. L. ROBINSON anp J. M. GREENMAN. g 
Mo. Bot. Garden, 
