RECORD: Darwin, C. R. 1878.03.21-23. Pinus pinaster. CUL-DAR209.4.342-343. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2022. 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-DAR209.4 contains materials for Darwin's book Movement in plants (1880).

[342]

Pinus pinaster

March 21 & 22d

[Figure]

[343]

Pinus pinaster circumnutation of Hypocotyl

March 21st to morning of 23d. 1878 in darkness—Horizontal glass

filament fixed around summit

Fig. 29. a

(Natural scale no lettering)

Movement of bead magnified 35 times

Observed fr 10˚ on Mar 21 to 9˚a.m on 23d

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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 10 October, 2022