Oray  Iberbanum 
B.  L.  ROBINSON,  Curator 
Asa  Gray  Prof.  Syst.  Bot. 
M.  L.  FERNALD, 
Fisher  Prof.  Nat.  Hist.  (Bot.) 
CHARLES  A.  WEATHERBY,  Assistant 
IVAN  M.  JOHNSTON,  Assistant 
RUTH  D.  SANDERSON,  Librarian 
LESLEY  C.  BROWN,  Bibliographer 
LILY  M.  PERRY,  Assistant 
Ibarvarb  'University 
CAMBRIDGE,  MASSACHUSETTS.  U.S.A. 
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