RECORD: Darwin, C. R. 1873. Onion leaves / Sea-kale. CUL-DAR68.12. 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.
[12]
1873
Onion leaves 89° 1/2 to 88° 1/2 — waved for 1m leaf silvery & dry only in patches
94°-93° waved for 1m all silvery appearance disappeared & surface quite wetted — Before was completely silvery —
Sea Kale 92° to 90' waved for 1m quite wetted — quite silvery before
85°-84 — for 1m — a little patch of silver still on upper side. in one place — lower surface quite wetted
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 7 July, 2023