EUPHORBIA VI ROSA AND ALOE DIGHOTOMA 
65 
TABLE II. 
Shewing- the observed ranges of shade and internal temperatures 1 . 
Date j 
Screen 
Maximum 
Screen 
Minimum 
Range 
Internal 
Maximum 
Recorded 
Internal 
Minimum 
Recorded 
Range 
Plant 
Dec. 12 
98°-5 F. 
7 5° -5 F. 
12°-7 C. 
51°'25 G. 
24°‘5 C. 
26°‘75 C. 
Euphorbia A 
Dec. 13 
99° -5 F. 
75 o- 0 F. 
13°-6 C. 
51°'5 C. 
24° C. 
27°’5 C. 
Euphorbia A 
Dec. 14 
94° -0 F. 
69° -0 F. 
13° -8 C. 
42° -5 C. 
21° C. 
21°-5 C. 
Euphorbia A 
Dec. 15 
97°'5 F. 
75° - 5 F. 
12°-2 C. 
45° -0C. 
45°-0 C. 
25° - 5 C. 
not recorded 
19° -5 C. 
Euphorbia A 
Euphorbia B 
Dec. 1G 
95°-5 F. 
74° -5 F. 
ll°-6 C. 
38° - 5 C. 
39°-5 C. 
38° '0 0. 
24°-5 C. 
24° '0 C. 
24°-75 C. 
14° C. 
15°-5 C. 
13° -25 C. 
Euphorbia A 
Euphorbia B 
Aloe A 
Dec. 17 
97°'5 F. 
71°-5 F. 
14° -4 C. 
45°-25 C. 
47°-0 C. 
38* -0 G. 
20° -0 C. 
20° -7 5 C. 
22°-5 C. 
25°-25 C. 
26°-25 G. 
15°-5 C. 
Euphorbia A 
Euphorbia B 
Aloe A 
Dec. 18 
91°'0 F. 
69° -0 F. 
12°-2 C. 
36° -0 C. 
42°-75 C. 
33° -5 C. 
35°-5 C. 
22°-5 C. 
22°-75 C. 
22° -0 0. 
not recorded 
13° ‘5 C. 
20° -0 C. 
13° '5 C. 
Euphorbia B 
Euphorbia G 
Aloe A 
Aloe B 
Dec. 19 
94° -0 F, 
70° -0 F. 
13° ‘3 C. 
40° '5 C. 
45°-75 C. 
36°-5 C. 
38°-5 C. 
20° "0 C. 
21°-0 C. 
21°-25 C. 
22°-5 C. 
20° ’5 C. 
24°'75 C. 
15°-25 C. 
16°'0 C. 
Euphorbia B 
Euphorbia C 
Aloe A 
Aloe B 
Dec. 20 
93° -0 F. 
68°-5 F. 
13" -6 C. 
41°-0 C. 
46° -0 C. 
38°-5 C. 
21°-0 G. 
21°-75 C. 
22° ‘7 5 C. 
20° -0 C. 
24°-25 C. 
15°-25 C. 
Euphorbia B 
Euphorbia C 
Aloe B 
1 Although observations were not made through the night, there 
reached a few minutes before sunrise. It is probable that the true 
is little doubt that the minimum is 
maximum in each case was slightly 
higher than that recorded. 
