The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1878.04.09-13. Oxalis valdiviana. CUL-DAR209.6.152-153. Edited by John van Wyhe (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-DAR209.6 contains materials for Darwin's book Movement in plants (1880).

[152]

Oxalis Valdiviana

April 9th. 1878— I described some time ago a pot with seedlings with some perfect leaves & with Cots as much raised as possible owing to included stem & ~~now~~ yet the Cots in this same pot are asleep— one seedling bore 6 true leaves— I had pinned open 1 Cot. & the difference between that & its fellow was conspicuous.—

Cots of Young seedlings close perfectly

34 days

(used)

[153]

Oxalis Valdiviana

April. 13th 1878 scratched both Cots for 1' (noon not cloudy day) with twigs— & cots of 2 seedling with single true leaf developed, & not a vestige of irritability.—

Bloom

Light

Sensitiveness

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