RECORD: Darwin, C. R. 1877.10.31. Fig. 34. Allium cepa / Proof sheet of Cross and self fertilisation. CUL-DAR209.4.22-23. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2022. 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 volume CUL-DAR209.4 contains materials for Darwin's book Movement in plants (1880).
[22]
Fig. 34
Allium cepa: movements of the basal half of the bent leaf-like cotyledon, traced in darkness on a horizontal glass, from 8º. 15' a.m to 10º P.m. Oct. 31'. Filament affixed almost perpendicularly, movement of bend magnified about 17 times.
Seedling Onion N.E. window
Diverticulum or originally doubled portion.
Main stem [figure] Fig 34 (same scale no lettering)
(no lettering)
[23]
[Proof sheet with corrections of Cross and self fertilisation, p. 11]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 November, 2022