Wounded Plants. 571 
Experiment 23. 
2 sugar beets (. Beta vulgaris , var.), 300 grams. Had been 
in laboratory three days before use. Air-current, 3*5 litres 
per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg. C0 2 
produced 
per hour. 
xii. 18. ’95 
10.30 - 1 1.30 a.m. 
20°-7 
ON 
0 
11.30 - 12.30 p.m. 
20°-6 
17*00 
Cut each beet in four longitudinally. Washed 
and dried cut surfaces. 
xii. 18. ’95 
i- 3 ° “ 3-30 p.m. 
20°-5 
30-20 
y y 
3.30- 4.30 „ 
2o°-5 
22-l6 
yy 
4*30 - 5-30 „ 
2 o °-5 
26.4O 
xii. 19. ’95 
10.30 - 1 1.30 a.m. 
2 I °-0 
31.20 
>> 
11.30- 1. 00 p.m. 
20°*6 
28-30 
y y 
1. 00- 2.30 „ 
20°.5 
28.30 
yy 
2.30 - 3 - 3 ° „ 
2o°-3 
24-60 
yy 
3.30- 4.30 „ 
20°*7 
24.40 
xii. 20. ’95 
8.30- 9.30 a.m. 
2 I°*0 
21-00 
yy 
9.30 - 10.30 „ 
20°*6 
21-00 
yy 
10.30 -11.30 „ 
2o°-5 
2 1-40 
xii. 22. ’95 
10.00 - 11. 00 ,, 
2 O 0 *3 
I7.4O 
Experiment 24. 
48 young seedlings of Vicia Faba . Hypocotyls from 2-4 cm. 
long. Weight, no grams. Air-current, 3-5 litres per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg. C0 2 
produced 
per hour. 
i. II. ’96 
9-35 - 10-35 a.m. 
20°-5 
20-00 
>y 
10.35 -11.35 „ 
20° -4 
19-60 
Hypocotyls split into shreds lengthwise without severing 
their connexion with the cotyledons. 
i. 11. ’96 
12.17 - 1. 17 p.m. 
20°-3 
25.2O 
yy 
i-i 7 - 2.17 „ 
2o°.3 
31-00 
yy 
2 . 17 - 3-17 y y 
20°”3 
35 *oo 
yy 
3-17 - 4-17 
20°. 2 
36.40 
yy 
4 -i 7 - 5 -i 7 » 
20°-0 
36.60 
i. 12. ’96 
10.30 -11.30 „ 
2o°.6 
39.40 
yy 
11.30 - 12.30 p.m. 
20°. 6 
39.60 
i. 13. ’96 
12.00 - 1. 00 „ 
20°*4 
24.90 
yy 
1. 00 - 3.00 „ 
20°. 9 
22.80* 
yy 
3.00 - 4.00 „ 
20°. 6 
22.20 
yy 
4.00 - 6.00 „ 
2 0 0 .6 
22.30* 
* Reduced to value of I hour. 
Q q 2 
