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]


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 4 February, 2026