RECORD: Darwin, C. R. [1879].09.14-16. Mimosa pudica Fig 500. CUL-DAR209.10.55-56. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 7.2022. RN2
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).
[55-56]
Fig 500 Sleep Chapter
(8º. a.m 14th)
11º 30' a.m.
7º a.m 15th)
10. 40' a.m. 15th
12º 50 P.m a.m
7º. 20' P.m
10º 20' P.m
7º a.m. 16th
1/2 scale 7 sets of Lettering
(Fig say 500)
Circumnutation & sleep movement of single leaflet of Mimosa pudica, traced on vertical glass (for 49 hr) from 8º a.m Sept 14th to 9º am on 16th—
Petioles firmly secured.— temp 62º—64º
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 February, 2026