RECORD: Darwin, C. R. 1877.07.31-08.15. Averrhoa Bilimbi. CUL-DAR66.129. 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.
[129]
1877
Averrhoa Bilimbi
July 31' Sprayed Sponged with w. at 90° 4 or 5 leaflets (marked black thread) & pinned to board — (Plant taken from very hot House) & put in water.
Aug. 3d 9˚ 30' sponged 2 older leaflets with water at 90° & put on drops— (surface very repellent after sponging.) Purple wool below.—
Aug 8' 8˚ A.m. The leaflets on younger leaf where water lay, I think I think a little yellower.
Aug 15. 8˚ removed water I can see no clear effect: perhaps some of leaflets on younger leaves a shade paler??
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 5 July, 2023