RECORD: Darwin, C. R. 1874.07. Mimosa pudica. CUL-DAR209.2.91. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2023. 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-DAR209.2 contains materials on circumnutation of leaves and stems for Darwin's book Movement in plants (1880).
[91]
Course of apex of leaf of M. pudica traced by Frank
 July 1874 when leaf asleep. In diagram (1) the leaf had been lately placed in a new position & probably the leaf had bent itself during day greatly to the light. In (2) & (3) the leaves had nearly faced to light for several days & here we see little lateral movement, but complicated zig-zag.
[figure] (1)
Observation continued for an hour or two
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 24 July, 2023