RECORD: Darwin, C. R. n.d. [Cassia floribunda]. CUL-DAR209.1.11. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 6.2022. 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-DAR209.1 contains materials on circumnutation of leaves and sleep for Darwin's book Movement in plants (1880).
[11]
at 4° P.m stem round on their own axes so that edge vertical when dotted lines, ─ so that midrib holds the same position?? I think sinks down a little
[in margin:] Terminal & some 2d leaflets turns a little bent to base
[annotated sketch] it is front margin which first turns downwards
Sub-Petioles surprisingly short
4° 50p lower bloom surface now obliquely upwards. ie leaf & midrib has turned much more on axis & leaflets somewhat depressed beneath horizontal line.
Older leaves remain with edge vertical as above— Younger leaves turn round, but do not come into contact
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 26 September, 2022