July, 1913 
THE PHILIPPINE 
JOURNAL OP SCIENCE 
ALVIN J. COX, M. A., Ph.D. 
GENERAL EDITOR 
Section G. Botany 
E. D. MERRILL, M. S. 
EDITOR 
WITH THE COOPERATION OF 
G. B. ROBINSON, Ph. D.; P. W. GRAPP, B. S. 
W. H. BROWN, Ph. D. 
MANILA 
BUREAU OP PRINTING 
V. : 1913 
