O J 
rfi'ix. 
t?or- 
THE PHILIPPINE 
JOURNAL OF SCIENCE 
Paul C. Freer, M. D., Ph. D. 
SUCCEEDED BY 
Alvin J. Cox, M. A., Ph. D. 
GENERAL EDITOR 
Section C. botany 
E. D. MERRILL, M. S. 
EDITOR 
WITH THE COOPERATION OF 
P. W. GRAFF, B. S.; W. H. BROWN, Ph. D. 
H. N. WHITFORD, Ph. D. 
VOL. VII 
1912 
With 22 Plates and 2 Text Figures 
MANILA 
bureau of PRINTING 
1912 
Z2^8S(] 
