RECORD: Darwin, C. R. 1879.03.08. Mutisia clematis. CUL-DAR209.3.240. (Cite as: John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).

[240]

Mutisia clematis March 8 — 1879 Compositæ

As I have said in my book on Climbing Plants p (117) that leaves sink (perhaps due to my having brought kept plants all day in N. E room with not bright light. — I observed 3 leaves keeping them all day under same light in HotHouse. —

A very fine leaf midrib stood 3º below horizon at noon; at 10º P.m at 1º below do, so had risen 2º

A 2d leaf stood 7º below horizon at 10 P.m 14º above had risen 21º.

a 3d leaf pointing more downwards stood 52º below— at 10º P.m 42º below so had risen 10º.—

in Chapt on Circumnutation of Leaves


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

File last updated 23 January, 2023