RECORD: Darwin, C. R. 1862.10.13. I have looked carefully no movement in the sensitive tentacle. CUL-DAR54.63. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2022. 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).


[63]

Oct. 13th 62 have looked carefully no movement in the sensitive tentacle – leaf dry nothing to tempt insects & so probably is Drosera – Movement not quite instantaneous, but very nearly so.

[63v]

When I get home, hold = Dionæa leaf with my thumb so that it cannot close & see if filament uses for this is important with respect to convergence of irritation

To do Dionæa

/over


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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 25 September, 2022