The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1879.09.02-11. Lupinus luteus. CUL-DAR209.10.39. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. 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-DAR209.10 contains notes on sleep (Leguminosae) for Darwin's book Movement in plants (1880).

[39]

Lupinus luteus

Sept. 2d— 1879

Lots of Plants Kept in greenhouse— brought into Study do not sleep well— yet enough movement to show that it is base of leaflets which move.— The exterior longer leaflets now have more much more power of movement than the shorter ones, which retained at night their diurnal position. "From such complex & twisting movements , the "base of leaflets, as might have been expected are provided with a pulvinus

Sept. 11th one pot has been kept out of doors— I must say out of many plants not one leaf truly vertical star— outer leaflets much raised or all leaflets raised.

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)