RECORD: Darwin, C. R. 1877.07.18-28. Leek. CUL-DAR66.115. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 3.2023. 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-DAR66 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.
[115]
July 18 / 77 8˚ Am. Leek
Two youngish flower-peduncles removed bloom with sponge & tied sponge with gutta percha round both.
Bloom beautiful. —
(July 23' after long moderately hard rain I see peduncles are quite dry except where bloom has been accidentally rubbed off).
July 28th. 8˚ took off sponge no effect whatever— marked stalks white wool.
I looked again after a week or two & no effect & then removed bloom from whole peduncle
Aug 27th To my surprise found a distinct mark, where sponges had been viz slight yellowish & mottled
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 5 July, 2023