RECORD: Darwin, C. R. Ipomaea nil. CUL-DAR209.4.179. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe. 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).
[179]
Diagram 2.
Left-Hand Plant
Oct 22d 10º 18' a.m
10. 42
11. 15'
11º. 53
12º. 40
1. 30'
B.
Bristle sunk down
Ipomaea nil
Traced on Horizontal glass
Kept in dark
(Nutation of stem.)
Right-Hand Plant
(8. 30' 10. 18' a.m Oct 22d)
10. 42'
11º. 15
11º. 53'
12º 40'
Bristle sunk down
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 February, 2026