Dioxide Absorption of Coco-nut Leaves. 
3 77 
25 r 
24 - 
23 - 
22 - 
21 - 
20 - 
10 - 
18 - 
17 - 
16 - 
15 * 
14 - 
13 • 
12 - 
11 ■ 
10 ■ 
9 ■ 
8 - 
7 - 
5 
4 
3 
2 
1 L_- I 1 1 1 1 
5-50 7-50 9-50 11-50 V50 3-50 5 50 650 
Diagram 2. Amounts of carbon dioxide absorbed per square metre each two hours by- 
two pinnae of coco-nut on May 23, 1918. 
Diagram 3. Amounts of carbon dioxide absorbed per square metre each two hours by two pinnae 
of coco-nut (lower graph) and spread of edges of pinnae (upper graph) on May 16, 1918. 
