Dioxide Absorption of Coco-nut Leaves . 
* 
38 1 
Table IV (continued). 
Series 5. — Two pinnae of leaf No. 3, 527*34 377. 
Tested May 25. 
Hour of 
removal 
from ap- 
paratus . 
Acid required to 
neutralize 2 5*07 c.c. 
of 
Titne 
measured. 
Spread of lower edges 
of adjacent pinnae. 
Weather conditions. 
Test. 
Control. 
A.M. 
c.c. 
c.c. 
cm. 
cm. 
cm. 
5.20 
2-80 
2*35 
2.30 
538, sunup. Bright. 
>7 
2.30 
2.0 
i *95 
7-30 
21.40 
2 1.20 
7*30 
2.60 
1.90 
1.60 
„ 
2-10 
i-6o 
1.40 
9-30 
22.25 
21-60 
9 30 
2*55 
1.65 
i *35 
21.65 
77 
2*20 
1 '50 
1*10 
11.30 
220 
11.30 
2.5O 
1.60 
1.20 
77 
2-15 
i *35 
1. 10 
P.M. 
1.30 
22*10 
21.65 
1.30 
2.5O 
i *55 
1.20 
7 7 
2*15 
1.25 
].IO 
3.30 
22.25 
21.90 
3.30 
2.4O 
i *45 
1. 10 
21.80 
7 7 
2.15 
i - J 5 
0*85 
5*30 
22-23 
5-30 
2*45 
i *45 
#10 
6.30 
2*10 
i* 3 o 
o *95 
6.30 
22-45 
22.25 
2-60 
2.15 
1.70 
6.15, sun down. 
>> 
2.30 
2. So 
i *45 
Series 6. — Two pinnae of leaf No * 4, 458*07 cm « «mz. 
Tested May 28. 
Hour of 
removal 
from ap- 
paratus. 
A.M. 
, Acid required to 
neutralize 2 5.07 c.c, 
ofBa{OH) 2 . 
Test. Control. 
c.c. c.c. 
6.30 
2 i *55 
20*80 
8.30 
18.05 
1 7*4 5 
10.30 
17.90 
17.60 
PM. 
I2.3O 
17.90 
17.60 
2.30 
18.05 
17.65 
4 30 
18.0 
I 7 * 7 ° 
6.30 
I 7 * 9 ° 
17*65 
lime Spread of lower edges 
measured. of adjacent pinnae. 
cm. 
cm. 
cm. 
5-30 
1.80 
1-90 
K90 
yy 
i *75 
1.80 
1.80 
6.30 
2.0 
1 90 
1.85 
55 
1.80 
1.80 
i-8o 
8.30 
i*35 
1 ’20 
0.90 
yy 
1*0 
1*20 
0.85 
10-30 
1*10 
1-10 
0.70 
7} 
o-8o 
I-Q 
o-75 
2-30 
1*10 
1*0 
0.70 
77 
o*95 
O.90 
0.60 
2 30 
1. 10 
1-0 
0.65 
77 
1.05 
1.05 
0.65 
4-30 
1-20 
1.10 
0.65 
,, 
I- IO 
o*95 
0.65 
6.30 
1-40 
1.20 
1.20 
?) 
1.20 
i*i 5 
0.95 
Weather conditions. 
540, sun up. 
5.57, sunlight on leaf. 
5*57*9-5°> bright sun. 
9.50-10.30, dull. 
10.30-12.35, bright. 
1 2. 35-1 .10, dull, cloudy, 
and showers. 
I- 15-4-35? bright. 
4-35-4- 45? dull. 
6.14, sun down. 
C C 3 
