RECORD: Darwin, C. R. [ny].01.21-[ny].01.24. Petunia [violacea?]. CUL-DAR209.3.270. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe 6.2025. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).
270
Petunia
bl means below
ab means above
[table not transcribed]
Glass filament fiex near teh end of the leaf measured with protractor
Thus there is no regularity in the movement of the old leaf. There seems to be an irregular tendency for the angle between the young leaves to diminish at night
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 June, 2025