RECORD: Darwin, C. R. 1877. Tropaeolum / Proof sheet of Forms of flowers, p. 125 & p. 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
154°
111°
156° = 66° below horizon
axis
111°
Tropaeolum tuberosum Sept 5. 2°. 30'
T Canariense
These 2 leaves were on face of Plant towards light.
Black wool
180 [-] 110 [=] 70
161°
asleep
114°
153°
70°
110°
(Sept 13th looked at plant after having been kept in greenhouse, but cd see no clear sign of sleep.)
Yellow w.
180 [-] 132 [=] 48
141°
125° 1/2 126°
131°
48°
132°
These 2 leaves were on back of Plant away from light
Blue w—.
122°
129°
(Peduncles look rather more bowed when asleep )
107° measured on under side of leaf
123°
Petioles not at all curved
upper leaf
lower leaf
156v
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 January, 2026