RECORD: Darwin, C. R. 1877.09.23-10.07. Oxalis sensitiva. CUL-DAR67.29. 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-DAR67 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.
[29]
Oxalis sensitiva 1877
Sept 23d 8˚ 40' put a young leaf under drip, height of fall 16 1/4 inches.
Oct 1. The leaf looks very yellow & sickly
Oct 2d. 10˚ 30' removed leaf looks injured, & one leaflets disarticulated — midribs of leaflets brown & with brown specks here & there, but then opposite leaf, which has only been slightly splashed is in same state.
Oct 4th Another leaflet dropped off — making 2
Oct 7' there can now be no doubt that the dripped leaf much worse state than any on plant: brown patches & midribs of leaflet brown; but one other leaf in nearly as bad a state.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 June, 2023