KONINKLIIKE AKADEltilE 1 *‘0 
VAN WETENSCHAPPEN V- /Z. 
TE AMSTERDAM 
PROCEEDINGS OF THE 
SECTION OF SCIENCES 
VOLUME XII 
MO. BOT. GARDEN 
1910 
JOHANNES MULLER 
.■ : JULY 1910 
rf 
if* 
3 ^ 
AMSTERDAM 
