The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1878.05.28-31. Opuntia basilaris / Proof sheet of Forms of flowers. CUL-DAR209.4.300-301. 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).

[300 and 301]

Fig. 3

20 B.

Opuntia basilaris

[Figure pasted on] (Scale 1.3 no lettering)

Combined [illeg] ~~Cir~~ Circumnutating of hypocotyl & Cotyledon.

Fig 20B c~~ombined~~ ; Filament with bead at end & mark ~~back~~ below fixed longitudinally to one of Cotyledon & movement traced in Hot-House on Horizontal glass during 66hr.

Movement of bead magnified about 30 times, & 10 times in figure given

Seedling feebly illuminate from vertically above)

Circumnutates from 4° 45' P.m on 28th to 11' a.m on 31st

[calculation not transcribed]

[301v]

[Proof sheet of Forms of flowers, p. 330.]

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