The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. [1881].12.24-25. Euphorbia rhipsaloides. CUL-DAR62.43. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 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.

[43]

Euphorbia rhipsaloides

Dec. 24 & 25.

Whip-like fleshy branches — bits of roots irrigated & others immersed in sol. of C. of A. 7 to 1000 for 23°, showed no distinct agg. — In fresh spec. dissected in water there were minute orange hyaline globules in cells close round vascular bundle & the amm. did not cause them to aggregate more. — I may say no marked effect from the ammonia — There were in the roots dissected under water colourless hyaline, irregular globules in many of the parenchymatous, besides innumerable crystalline spheres.—

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