Vol. X, Sec. C, No. 5 
September, 1915 
THE PHILIPPINE 
JOURNAL OF SCIENCE 
ALVIN J. COX, M. A., Ph. D. 
GENERAL EDITOR 
Section C. Botany 
E. D. MERRILL, M. S. 
EDITOR 
W. H. BROWN, Ph. D.; E. B. COPELAND, Ph. D. 
C. F. BAKER, A. M.; F. W. FOXWORTHY, Ph. D. 
R. C. MCGREGOR, A. B. 
WITH THE COOPERATION OF 
MANILA 
BUREAU OF PRINTING 
1915 
