RECORD: Darwin, C. R. 1878.02.08. If bloom serves to prevent evaporation. CUL-DAR67.43. 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.
[43]
Feb. 8/ 78/
If bloom serves to prevent evaporation & it must always thus act (whether or not developed for this purpose) it is not likely to be present on cotyledons as seedlings are always developed during a wet season, when they wd be less likely to suffer from too much evaporation—
(over)
[43v]
As Thalia dealbata & Egyptian water-figs grow in water & wet places bloom cannot be here for evaporation but we have seen that removal injures plants. — pa why we know not
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 June, 2023