RECORD: Darwin, C. R. [ny].05.28-.05.29. Cissus discolor / Proof sheet of Forms of flowers. CUL-DAR209.3.103-104. (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 11.2022. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).
[103-104]
Cissus discolor
circumnutation of Leaf
Cissus
[diagram]
0. 35' a.m May 28th
10° 29th
8 a.m 29'
X ─ Nocturnal course
10. 50' P.m. 28th
5°. P.m. 29th
6° P.m. 29th
F 129
(same scale no lettering)
Cissus discolor: circumnutation of leaf, traced on vertical glass from 10 35 am May 28th to 6 Pm on 29th. Apex of leaf 8 3/4 of inch from the vertical glass.─
[104v]
[Proof sheet of Forms of flowers, p. 167, published p. 334.]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 February, 2026