The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1877.09.11-10.11. Amphicarpaea. CUL-DAR67.12. 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.

[12]

Amphicarpæa 1877

Sept. 11th. (no bloom) 10˚ 50 pinned down 3 leaflets, not very healthy spotted with yellow & put on drops of water

Sept 23d freed leaf— perhaps a tinge of yellow where water lay — one leaflet has some brown specks but these may be accidental owing to some injury there, marked with red-wool.

Sept 25 I doubt any injury

(Sept. 28' I can see none. Oct 19' I can see none.)

Sept 28th 10˚ 30' put youngis[h] leaf under drip

Oct 2d This leaf now has many brown specks.

Oct 7. 9˚ a.m Many considerable spots brown & I think parts infiltrated. It is wonderful that so tender a leaf shd have withstood so drip for 11 9 days!

Oct. 11' The dripped leaf is now curling, withered & brownish & dying

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