57 2 
Richards . — - The Respiration of 
Experiment 25. 
40 young seedlings of Vicia Faba . Hypocotyls from 1*5-3 
cm. long. Weight, 80 grams. Air-current, 3*5 litres per hour. 
Date. 
Time. >• 
Tempera- 
ture. 
mg. C0 2 
produced 
per hour. 
i. 17. ’96 
10.30 - 11.30 a.m. 
20°-5 
14*20 
99 
1 1.30 - 12.30 p.m. 
20°-4 
I 4-30 
Hypocotyls split into two longitudinally without severing 
their connexion with the cotyledons. 
i. 17. ’96 
I.15 - 3.15 p.m. 
0 
1 0 
6 
0 
15.60 
99 
3-*5 “ 4-15 „ 
19-50 
15.60 
99 
4 -i 5 - 5- T 5 „ 
I 9 °' 4 ° 
16.10 
99 
5.15 - 6.15 „ 
i 9 °. 4 o 
i 7 - 3 o 
99 
6.15- 8.15 „ 
i9°-6o 
20-00* 
i. 18. ’96 
9.05 - 10.05 a.m. 
20°*50 
21*00 
99 
10.05 -11.05 » 
20°-40 
21*00 
)} 
11.05 - 12.05 p.m. 
20°*30 
22*10 
99 
12.05 - 1.05 „ 
20°*8o 
23*20 
99 
1.05- 3.05 „ 
20°.6o 
27.IO* 
i. 19. ’96 
5.00 - 6.00 ,, 
20°. 60 
13*20 
Experiment 26. 
45 young seedlings of Vicia Faba . Hypocotyls from 1-3 
cm. long. Weight, 100 grams. Air-current, 3-5 litres per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg. COo 
produced 
per hour. 
i. 31. ’96 
9.10 - 10.10 a.m. 
O 
► # o 
29*00 
V 
10. 10 - 11. 10 „ 
20 *6 
30-00 
About 1-2 millimetres cut off of the growing tips of the roots. 
1. ’96 
12.00 - 1.00 p.m. 
20°*6 
32*70 
99 
1.00 - 3.10 „ 
2 o °*5 
33.2°* 
99 
3.10- 4.10 „ 
20°*8 
36*40 
99 
4.10- 5.10 „ 
20°* 7 
39*20 
99 
5.10- 6.10 „ 
20°*4 
42*00 
ii. 1. ’96 
10.00 - 1 1. 00 a.m. 
20°-4 
33*20 
99 
11.00 - 12.00 m. 
20°. 7 
32*80 
» 
12.00- 1. 00 p.m. 
20°. 7 
32.40 
?» 
1. 00 - 2.00 „ 
20°*6 
32-00 
99 
2.00 - 3.00 „ 
20°. 4 
31-20 
99 
3.00 - 4.00 „ 
20°* 8 
29-40 
99 
4.00 - 5.00 ,, 
20°. 7 
30-00 
* Reduced to value of i hour. 
