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.
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
(gravity is the guiding power & so it likewise act on tendrils—
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 July, 2023