Curvature of Tendrils . 
389 
IV. 
Oct. 6 , 8 a.m. A 
tip of 
a tendril of 
Cucurbita 
fastened 
to dyna- 
mometer. 
Oct. 6, 4 p.m. 
Sunny 
Temperature i4°C. 
Tension 
i *5 grm. 
Oct. 7, 10 a.m. 
33 
i 4 c C. 
33 
3 
„ 11 a.m. 
Cloudy 
33 
i 4 °C. 
33 
3*5 33 
„ 12.30 a.m. 
33 
33 
16 0 C. 
33 
3-5 33 
„ 4.30 p.m. 
3 ? 
33 
I 2° C. 
33 
4 
Oct. 8, 8 a.m. 
Sunny 
33 
13 0 C. 
33 
4 
„ 10 a.m. 
53 
33 
23 0 C. 
33 
3 53 
„ 11 a.m. 
33 
33 
2 4 ° C. 
33 
3 
A rapid increase in length made a readjustment of the dynamo- 
meter necessary at 4 p.m. The tension was made the same as in 
the last observation. 
Oct. 9, 8.30 a.m. 
Sunny 
Temperature i5°C. 
Tension 
2 
grm. 
„ 10 a.m. 
3 3 
33 
24 0 C. 
33 
5'5 
33 
„ 12 a.m. 
33 
33 
35° C. 
33 
6 
33 
33 3 P-m. 
33 
33 
35° C. 
33 
7-5 
33 
„ 6 p.m. 
Sunset 
33 
2 1° C. 
33 
1 1 
33 
„ 10 p.m. 
Dark 
3 - 
35° C. 
33 
15 
33 
V. 
Oct. 20, 10 a.m. 
Branch 
of tendril of 
Cucurbita 
attached in 
hori- 
zontal position to dynamometer. 
Oct. 20, 4.30 p.m. 
Temperature 29°C. 
Tension 
2 grm. 
Oct. 21, 9 a.m. 
33 
2 0° C. 
33 
3 
33 
Oct. 22, 8 a.m. 
Sunny 
33 
2 9 0 C. 
33 
4-5 
33 
„ 11 a.m. ' 
Leaves wilted „ 
36° c. 
33 
3-5 
33 
„ 12 a.m. 
Cloudy 
33 
3 i° C. 
33 
4*5 
33 
33 i- 3 ° P-m. 
33 
33 
2 7 0 C. 
33 
5 
33 
., 4.30 p.m. 
33 
33 
2 0° C. 
33 
6 
33 
Oct. 23, 8 a.m. 
33 
33 
3 i°C- 
33 
4-5 
33 
33 3 P-m. 
Sunny 
33 
36° c. 
33 
5 
33 
„ 5 P-m. 
33 
33 
23 0 C. 
33 
6 
99 
Oct. 24, 8 a.m. 
33 
33 
i7°C. 
33 
5*5 
35 
33 11 P-m. 
33 
33 
28° C. 
33 
5 
33 - 
