(Bra^ Iberbarium feVKIfirif Ibarvarb Tllmwrstty 



B. L. ROBINSON, 



Prof. Syst. Bot. and Curator 

 M. L. FERNALD, Assistant Professor 



MARY A. DAY, Librarian CAMBRIDGE, MASSACHUSETTS, U.S.A. 



iu^r ^wt^v ^ 



j^p^, <*~* <2*~>-*"<~^ ^ 7— — y-Cy 



Ju U. ^ p f^, 1 ^ 



J ^ ^ &^rA* 



