RECORD: Darwin, C. R. n.d. After discussing action of light on tendril. CUL-DAR157.2.87. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2023. 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-DAR157.1-2 contain notes, abstracts etc. for Darwin's long paper and later book Climbing plants (1865). It was also commercially available as a softbound offprint, F834, F834a. See R. B. Freeman's bibliographical introduction. Items CUL-DAR157.11-60 were in a folder marked "Twiners". Items CUL-DAR157.61-112 were in a folder marked "Leaf-climbers" and items CUL-DAR157.114-147 were in a folder marked "Tendrils". Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.


[87]

After discussing action of light on tendril— allude to Echinocystis and Pea.—This rising of the tendril in the dark is probably due to the same force, as shown by Knight*, which cause the young stem to rise vertically & the young root to descend vertically.— Or to give another instance., if we take the young upright shoot if Bean & place inclined in water in complete dark, they will bend upwards; turn 1/2 round & again upwards.— not so stolons of Strawberry or better case Ash— Rubus— we plainly see that the force /over

[87v]

(gravity is the guiding power & so it likewise act on tendrils—


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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 21 July, 2023