RECORD: Darwin, C. R. 1877.09.09-17. Oxalis corniculata. CUL-DAR67.13. 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.
[13]
Oxalis corniculata 1877
Sept 9th 11˚ 10' put 2 leaves supported on cork under dripping machine single drops flow not longer intervals than drops of rain — drops not by large. — Drops fell 17 inches — (at 4˚ P.m. one leaf which chiefly received drops quite wet.)
Sept 12˚ 8˚ 30' (Parts of the leaves seem infiltrated with water & look quite dark according M. Mer. speaks as if this ultimately kinks leaves.) — (Drops rather large.)
Sept 14' 8˚. 45' took leaf from under drip. — small spaces infiltrated, others of a pale orange colour — & specks of bright green as if stained with copper. — one leaflet of the second leaf in same state.
Sept 16th The orange portions have now turned bright red; the infiltrated spots seem decaying & brownish.
― 17 one leaflet now utterly decayed & parts dropped off
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 June, 2023