Wounded Plants . 
573 
Experiment 27 . 
82 seedlings of Cueurbita Pepo. Hypocotyls from 2-3 cm. 
long. Weight, 37 grams. Air-current, 3*5 litres per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg. C0 2 
produced 
per hour. 
i. 19. ’96 
9*35 ~ IO -35 a.m. 
20°. 6 
15.40 
)> 
10.35 -11.35 » 
20°-5 
1 6-oo 
The entire hypocotyl, so far as possible, split longitudinally. 
i. 19. ’96 
12.10 - 1. 10 p.m. 
2o°-3 
i6-oo 
33 
1. 10- 3.10 „ 
20°. 7 
i6-oo* 
>> 
3.10- 4.10 „ 
20°‘7 
16-20 
4.10- 5.10 „ 
20°.6 
16-40 
1 33 
5.10- 6.10 ,, 
20°-6 
i6-8o 
L 20. ’96 
9-55 - it-55 „ 
hi 
0 
) 0 
* 
0 
►I 
! 33 
11.55 -12.55 » 
20 .8 
2 2-00 
3 ’ 
12.55 - 2 -55 „ 
20°.8 
22-20 
2-55 - 4-55 „ 
20°.6 
21-00 
33 
4-55 “ 6 -55 » 
2o°-5 
26-35* 
i. 21. ’96 
10.00 - 1 1. 00 a.m. 
2I°-0 
I 9 .IO 
i. 22. ’96 
10.00 - 1 1. 00 ,, 
20°. 7 
! 5 - 7 ° 
Experiment 28 . 
56 young leaves of Rhododendron calophyllum from green- 
house. Weight, 90 grams. In dark. Air-current, 3-5 litres 
per hour. 
Date. 
Time. 
Tempera- 
ture. 
r mg. C0 2 
produced 
per hour. 
xi. 9. ’95 
10.15 - 11. 15 a.m. 
20°-6 
3.20 
33 
11. 15- 12.15 „ 
20°-4 
3-6o 
Leaves cut transversely in thin strip about -5 cm. wide. 
xi. 9. ’95 
3.10 - 4.10 p.m. 
20°- 3 
6-6o 
33 
4.10- 5.10 „ 
20°-7 
7-20 
33 
5.10- 6.10 „ 
20°-5 
7-10 
xi. 10. *95 
1 1. 00 — 12.00 m. 
20°. 5 
4-20 
* Reduced to value of i hour. 
