(Sra\> iberbartum 
Ibarvarb ‘^University 
B. L. ROBINSON, 
Prof. Syst. Bot. and Curator 
C. G. PRINGLE, Collector 
M. L. FERNALD, Assistant Professor 
MARY A. DAY, Librarian 
H. H. BARTLETT, Assistant 
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CAMBRIDGE, MASSACHUSETTS, U.S.A. 
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