Heat by Wounded Plants. 
53 
Experiment 15. 
Two carrots (. Daucus Carota ) about 15 cm. long*. Had been 
thirty-six hours in warm room, and showed no difference of 
temperature before injury. One cut at 9.00 a.m. 
Duration of Experiment. 
Temperature 
in room. 
Deflec. of 
Galvan. 
Equiv. in °C. 
First day 
9,00 a.m. 
24°* 20 
0-0 
0°.00 
1 1. 00 
2 4°* 2 5 
1-3 
0°09 
„ 
3.00 p.m. 
24°- 20 
2-5 
0°-17 
,, 
5-30 „ 
24°-I0 
2-8 
0°20 
Second day 
9.00 a.m. 
24°-40 
3-3 
0°-23 
„ 
1 2.00 noon 
2 4°3° 
3-6 
0°-25 
,, 
3.30 p.m. 
2 4°'3° 
3*3 
0°-23 
„ 
6.00 „ 
2 4°-3° 
3-3 
0°-23 
Third day 
9.00 a.m. 
24°-IO 
1.8 
0°.13 
3.00 p.m. 
24°-20 
1.6 
0°11 
Fourth day 
9.00 a.m. 
24°*20 
0-6 
0°-04 
Fifth day 
9-00 „ 
2 4° 3° 
0-2 
0°-01 
Experiment 16. 
Comparison of living and dead tissues of various plants. 
The dead plants were killed with boiling water. The tem- 
perature given is the natural + temperature of the plants. 
Deflec. of 
Galvan. 
Equiv. in °C. 
Potatoes (old) a 
2-3 
0-16 
2-5 
0-17 
Potatoes (new) c 
2-0 
0-14 
d 
2-0 
0-14 
Onion 
i -7 
012 
Carrot 
2.8 
020 
