574 
Richards, — The Respiration of 
V 
Experiment 29. 
7 young shoots of Veronica speciosa with about 8o leaves. 
Weight, 50 grams. Growing in green-house at temperature of 
i7°-20°. In dark. Air-current, 3-5 litres per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg. C0 2 
produced 
per hour. 
i. 27. ’96 
T 2.00 — 1.00 p.m. 
20°*4 
7-60 
yy 
1.00- 3.00 „ 
20°. 6 
8*20 
Leaves split four or five times longitudinally, but still 
remaining on petioles. 
i. 27. ’96 
4.00 - 5.00 p.m. 
20°^4 
16*20 
yy 
5.00 - 6.00 ,, 
20° ? 4 
19-00 
y> 
6.00 - 7.00 „ 
20°-3 
15.80 
i. 28. ’96 
9.00 - 10.00 a.m. 
20°*8 
10-30 
Experiment 30. 
8 young shoots of Veronica speciosa with about 95 leaves. 
Weight, 53 grams. In dark. Air-current, 3-5 litres per hour. 
Date. 
Time. 
Tempera- 
ture. 
mg, C0 2 
produced 
per hour. 
i. 30. ’96 
9.30 - 10.30 a.m. 
20°-6 
7.60 
yy 
9.30-10.30 „ 
2 o °-5 
7-80 
Leaves split in four or five strips longitudinally, but still 
remaining on petioles. 
i. 30. ’96 
11. 00 - 12.00 m. 
20°-7 
14*20 
yy 
12.00- 1. 00 p.m. 
20°-4 
i6-oo 
y y 
1.00 - 2.00 ,, 
20°. 3 
I 5 *°° 
yy 
2.00 - 3.00 „ 
2 o °.8 
1 1. 00 
ii. 1. ’96 
8.30- 9.30 ,, 
20°.8 
8-6o 
