RECORD: Darwin, C. R. [1881].11.25. Poinsettia pulcherrima. CUL-DAR62.48. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2023. 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-DAR62 contains for Darwin's papers 'The action of carbonate of ammonia on the roots of certain plants', 1882, F1800 and 'The action of carbonate of ammonia on chlorophyll-bodies', 1882, F1801.

[48]

Poinsettia pulcherrima

Nov. 25

Roots of moderately sized plant, with innumerable root-hairs, even close to tips, after 20' in sol. of 7 to 1000' no aggregation; examined same 2 roots after 24° immersion, & no trace of aggregation in either root. — Curious for I suppose closely allied to Poinsettia. —

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 22 July, 2023