RECORD: Darwin, C. R. [ny].08.24. Convolvulus major. CUL-DAR157.1.40. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2023. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here.
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-DAR157.1.11-60 were in a folder marked "Twiners". Items CUL-DAR157.1.61-112 were in a folder marked "Leaf-climbers" and items CUL-DAR157.1.114-147 were in a folder marked "Tendrils". Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.
[40]
Aug 24'
Convolvulus Major
A young plant 12 inches higher. The two upper internodes together 7 inches long alone moved.
The very young plant when only 2 or 3 inches high no rotation.—
1° 14 [+] 1. 28 [=] 2. 42
First circle in 2°. 42'
second do 2°. 47'
Semicircles from light 1°. 14'
do 1°. 17'
Semicircles to light 1°. 28'
do 1. 30'
In first case light hastened journey by 14' in second case by 13'. It is clear that Dutrochet is right about Pea.—
[Climbing plants, pp. 17 & 65.]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 19 July, 2023