Heat by Wounded Plants . 
49 
Experiment 7. 
Two potatoes io cm. long. These potatoes were of another 
lot than the ones previously tried. In uninjured condition 
no difference in temperature. 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°-40 
0-0 
„ 
11-30 >, 
2 4°‘5° 
i-5 
0°-10 
,, 
3.45 p.m. 
2 4°‘3° 
2.5 . 
0°-17 
„ 
6.00 „ 
2 4°. 3° 
3-3 
0°-23 
Second day 
9.00 a.m. 
24°.IO 
4-5 
0°.31 
,, 
ii.oo ,, 
24°. 20 
5*5 
0°-38 
„ 
4.00 p.m. 
2 4°’3° 
3-7 
0°.26 
Third day 
9.00 a.m. 
2 4°‘3° 
2.7 
0°-18 
,, 
12.00 noon 
2 4 °" 4 o 
2-0 
0°-14 
>> 
Fourth day 
4.00 p.m. 
2 4 0 -40 
T *5 
0°-10 
12.00 noon 
24°-IO 
o -8 
0°-06 
Fifth day 
12.00 „ 
2 4 0 . 20 
o-3 
0°*02 
Experiment 8 . 
Two potatoes 9 cm. long; of same lot as Experiment 7 . 
No difference in temperature in uninjured condition. 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°-40 
0-0 
Q°.00 
H- 3 ° >> 
2 4 °- 5 ° 
i -5 
0°10 
4.00 p.m. 
2 4 ° 3 ° 
2.3 
0°.16 
„ 
6.15 „ 
2 4 °’ 3 ° 
3*3 
0°-23 
Second day 
9.00 a.m. 
24°-IO 
4.0 
0°-28 
11.00 ,, 
24°- 20 
5-3 
0°-37 
„ 
4.00 p.m. 
2 4 °- 3 ° 
4.2 
0°-29 
Third day 
9-00 a.m. 
2 4 0 . 30 
3 -o 
0°-21 
,, 
12.00 noon 
24°-40 
2 -3 
0°-16 
Fourth day 
12-00 „ 
24°-40 
T *3 
0°-10 
Fifth day 
12-00 „ 
24° 20 
0.4 
0°-03 
E 
