The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. & Francis Darwin. [1874?].07.08. Sleep of Plants. CUL-DAR59.1.148. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. 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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).

[148]

Sleep of Plants

July 8th — 11.5 AM

Syringed Lotus ornithopopoides with small syringe with water at 66 1/2° — Temperature of air 67°—

11.20 I believe no effect — but must be repeated

11.14 Syringed "Common Red" Clover with (big) syringe in water at 67—

11. 21-2(?) Only 2 leaves affected these have middle leaflet vertical but the side ones not much altered in position

[148v]

13. Cyclops— E

14 Larva L

15 Larva L

~~16 O?~~

17 Remnant? R

18 Remnant (? [illeg] ). R

L = 3 Leves

R = 6 ~~leaf~~

E = 8 Entomostr

quadrifid enor surface very thin —

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