RECORD: Darwin, C. R. 1878.03.06-13. Oxalis valdiviana. CUL-DAR67.50. 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.
[50]
[Eunenatha]
Keep
Oxalis Valdiviana. (March 6-7 1878) 2 seedlings, 1 quite young & the other older. Cotyledon horizontal or in older one deflexed below horizon; For movement of Cots at 10˚ 15' P.m. vertical & almost closed: at 7˚ a.m next morning horizontal & older one beneath horizon. — No bloom, though so small water does not adhere very well, [Sensitive]; not sensitive to being rubbed with needle.
March 9th 10˚ P.m. Same 2 seedlings — cots at rt ∟' at 4˚ 30' perfectly closed at 10˚ P.m. Perfect sleep. (over)
[50v]
Oxalis valdiviana. March 13th first true trifoliate leaf with good bloom. 10˚ 10' P.m
The Cots of seedlings observed on March 6 perfectly asleep & the first little true leaf asleep with pe leaflets dependent, — whilst cots raised & shut & embracing the half of 2 of the 3 leaflets. (Use) ((Bloom))
Cassia several sp no bloom on Cots
over
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 June, 2023