ТТР ERE "EOM i MM EU ENS 
ққа» 
ў 
[Vor. 1, 1914] 
iments showing burette connected with 
scised leaf of Ricinus cemented into the mouth with 
PLATE I. 
tion 
ExPLANATION оғ PLATE 
ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Potometer used in the t 
de arm flask, and ab 
22 
the si 
plastolina. 
