RECORD: Darwin, C. R. 1878.02.19-03.05. Sea-kale. CUL-DAR68.58. 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.
[58]
Feb. 19' /78/
Sea-Kale
No bloom on cotyledons, which keep closed for some days after breaking through ground— Petioles quite closed at night a little open by day.
Feb 19' 12° or noon put on salt water on a cot. of 2 seedlings on side of sticks.
8° 30' Pm the cot with salt-water become vertical whilst other was horizontal so changed position of stick & put salt water on this one
(Feb 20' 7° & 8° a.m. Both Cots & petioles completely closed.— so go to sleep very late.— Put salt water on both Cots. of both seedlings. The Cots with salt opened in greenhouse in course of day.
The above seedling did not go sleep. on night of 20', was observed at 10° 30' P.m & at 5.15. a.m!
Feb 22d 4° P.m put salt water on both Cots of silveryplant in the other pot. —
Feb. 25' noon — The sea-kale plant look miserable
March 5th Two quite dead, & the third looks sickly
Cease Mar 1'
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 11 July, 2023