RECORD: Darwin, C. R. 1878.10.26. Asparagus. CUL-DAR209.8.2. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. 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 volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).
[2]
Asparagus. — Light
Oct. 26 1878 — Pot exposed in dark room from 2° 50' a.m to 4° 30' P.m to bright Paraffin Lamp— summit of young stem, (some just rising above ground some an inch high, & all intermediate height) bent rectangularly to light, but not the basal part, & sand lay quite close round the basal parts, great contrast with Phalaris & Avena.—
Good check experiment— same sand, syringed before exposure in exactly same way.—
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022