RECORD: Darwin, C. R. [ny].07.17-08.03. Arachis hypogæa. CUL-DAR68.117. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2023. 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-DAR68 contains notes on 'bloom'. Francis Darwin explained: "His researches into the meaning of the 'bloom,' or waxy coating found on many leaves, was one of those inquiries which remained unfinished at the time of his death. He amassed a quantity of notes on the subject". LL3: 339. See an Introduction to these folders by Christine Chua & John van Wyhe.
[117]
July 17. —
Arachis hypogæa
upper surface slightly silvery — lower surface not so: after sponging with water at 85° silver lost, but upper & lower surface still repellent — 2 whole leaflet sponged & drops placed on at 12° 15'
July 29th — took off water — not a trace of effect.
― 30th at night perfectly asleep. —
Aug 3d syringed for 2' with water at 85°, no movement
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 13 July, 2023