RECORD: Darwin, C. R. [1874].05.26-29. Nitric acid. CUL-DAR57.40. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. 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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).


[40]

May 26th 7° 45 Nitric Acid

1 to 1000 30 minims

watch glass (13) 7° 47' — (2° 10' a trace of movement in tentacles over pedicel

(2° 55' decided inflect over pedicel)

(4° 35' many inflected over pedicel)

(9° 40' — do — some slight sub-inflection all round leaf.

May 27th 7° 40 almost every tent. & so closely inflected & lam. to certain extent in this spec. & in No' 14.— glands on disc of latter pale & some glands in no 13 — Certainly effect & powerful, but has supervened very slowly.

pale-leaf

watch glass (14) 7° 45' (2° 10' like no 13)

(7° P.m. good deal of inflection of sub-marginals & discals

(9° 40, strongly marked inflection

May 27th

(3° lamina much inflected) & almost every tentacle.

May 27th 4° 45' I placed these 2 leaves no' 13 & 14 in distilled water

May 29th 7° 30' Am the red leaf partially expanded, not the green leaf

― 30' ― do. only partially— yet so not quite killed. —

March 26 (8° 28', 0) (9° 5' 0) (10° 15' 0) (11° 20', 0) (11° 50' 0) (12° 50, 0)


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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 16 May, 2023