
1905.] On the Phystological Processes of Green Leaves. 
Conditions of Insolation, [lustrating the Thermal Interchanges between 
their Surroundings. 







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21-2) 9°82 | 3-758 | 
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18:3, 7:49 | 3-058 | 
17-2) 4°59 | 2-271 
27-3) 14°61 | 1°4'79 
17°5| 6:27 | 1-498 
21°3| 9°31 | 2-078 



101 
Loss or gain of energy by the leaf in calories per square 
centimetre of leaf-lamina per minute. 









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(is) | (14) | (48) | (26) 
'0°599 | 0°6120 0 °647 | 0°3959 
1°054 | 0:°1942 |0°647 | 0°1256 
0°868 | 0:°1508 |0°647) 0:0972 
0°517 | 0:°1431 |0°647) 0 :0926 
1°291 | 0:2418 |0°647; 0°1565 
0) °1410) 0 -0889 |0°700| 0°0622 
0 ‘2430! 0:°1461 |0°700| 0°1022 


in 
expended 
Energy 
assimilation. 
w. 
CoN 
a 
st 
4 
0 °0081 
0 :0025 
0 :0019 
0 0012 
0 ‘0012 
0 -0017 


W. Energy expended in 
transpiration. 
“~~ 
— 
@ 
wm 
0 0592 
0 °1041 
0 :0857 
0 °0510 
0°1275 
0 -0139 
0 0240 

Total energy used 
ernal work. 
W +. 
for int 
—~ 
= 
eo) 
C= 
0 °0618 
0 °1072 
0 0882 
0 -0529 
0 °1287 
0°0151 
0 °0257 
| 


Energy lost by re-radia- 
tion and air-convection. 
—~ 
bo 7: 
=) 
A 
0 -0184 
0 0090 
0 0397 
0 -0278 
0 0471 
0 0765 
from 
received 
Energy 

a 
| =| 
—_ 
surroundings. 
