14 = MISS A. BATESON AND MR. F. DARWIN ON THE EFFECT OF 
Exp. 10.—Aug. 4, 1886. Jerusalem-Artiehoke pith ; auxano- 
meter-lever. Cylinder (370 cub. centim.) filled with water, 
3.51 P.M. 
Times of observation. Rate of Times of observation. Rate of 
P.M. * growth." P.M. " growth." 
38.58  .........-. 3.59. ............ 59 
76 40 /........... 48 E! 
3.598. onen In air. 1 c. e. ether put in, 3 
68 *D4 per cent. a 
3.54 ............ 60 108 
3.90  ...... 1 c. c. ether put in, 57 
:27 per cent. 448 ............ 46 > 
94 48 x... 26 1 
66 | 7 
Fig. 4. : 
125 
115 i 
105 
95 
85 
Diagrain showing the 
effect of Ether on 
the rate of Growth. 
GROWTH. 
a 
68 5 8 8 
8.50 4.0 4.10 E 
TIME P.M. 1 
Exp. 11.—Sept. 14, 1886. Sunflower-pitb ; lever. 
Times of observation. Rate of “growth.” Temperature. 
A.M. °C. | 
1L8 — sese Pith in damp air (370 e. c.). 20:6 | 
J185  ............... 250 » | 
1112  .................. 142 » 
114123 .................. 80 » 
11.13  ................. 1 c. c. ether put in, 
"27 per cent. 
11185 ...... Fevdseceonns 95 207 
l4  ................ 60 » 
1116  ................ 1:2 c. c. ether added, 
‘69 per cent. 
181 » 
ILIDS einst 121 " j| 
M6 uno 86 21 
Ili wow we 48 
