THE PHILIPPINE 
JOURNAL OF SCIENCE 
ALVIN J. COX, M. A., Ph.D, 
- GENERAL EDITOR 
Section C. Botany 
E. D. MERRILL, M. S. 
EDITOR 
WITH THE dOQPERATION OP 
C. B. ROBINSON, PH, D.; P. W. GRAPP, B. S. 
W. H. BROWN, Ph. D. ^ A, V 
