RECORD: Darwin, C. R. 1877. Tropaeolum / Proof sheet of Forms of flowers, pp. 125 & 122. CUL-DAR209.14.155-156. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR209.14 contains material for Darwin's book Movement in plants (1880).
155
Tropaeolum
sleep position of
ell vertical as last night
[sketch]
[sketch]
for about 1/4 of inch petiole does not be keep at r to lamina
[sketch]
155v
156
156 [-] 90 [=] 66
white w
asleep
154º
111º
156º = 66º below horizon
axis
111º
Tropaeolum tuberosum Sept 5. 2º. 30'
T Canariense
These 2 leaves were on face of Plant towards light.
Black wool
180 [-] 110 [=] 70
161º
asleep
114º
153º
70º
110º
(Sept 13th looked at plant after having been kept in greenhouse, but cd see no clear sign of sleep.)
Yellow w.
180 [-] 132 [=] 48
141º
125º 1/2 126º
131º
48º
132º
These 2 leaves were on back of Plant away from light
Blue w—.
122º
129º
(Peduncles look rather more bowed when asleep)
107º measured on under side of leaf
123º
Petioles not at all curved
upper leaf
lower leaf
156v
[Proof sheet of Forms of flowers, pp. 125 & 122]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 4 February, 2026