Dioxide Absorption of Coco-nut Leaves . 
385 
Leaf No. 6 . 
Diagram 6. Amounts of carbon dioxide absorbed per square metre each two hours by three pinnae 
of coco -nut (lower graph) and spread of edges of pinnae (upper graph) on May 21, 1918. 
Diagram 7 . Amounts of carbon dioxide absorbed by two detached pinnae of coco nut on 
May 29, 1918. 
