RECORD: Darwin, C. R. [1874].07.10-13. P. lusitanica / Proof sheet of the Expression. CUL-DAR59.1.77. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. 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).
Pinguicula is a genus of carnivorous plants known as butterworts. These notes are for Darwin, C. R. 1875. Insectivorous plants. London: John Murray. (F1217)
[77]
P. Lusitanica
July 10 8° 15' 2 leaves by Pins (with albumen on opposite side (see other paper for albumen which was shoved from centre)
These bits of albumen were pushed into margin on the 9th, at 8°
July 10th 8° 15
the two soaked two (1/2 hour (1°) Cabbage seed
(4) 11° 55' manifest inflection & secretion
5° 30' well clasped
July 11' 8° 15. partially reexpanded, yet much secretion, albumen on opposite sides placed on the 9th still well clasped — showing how much more → seen after many experiments efficient than cabbage seed (12th 8° great secretion but leaf dying)
13th drying
2 bits of Spinach leaf
July 10th 8° 15'
(9° 35' small bit minute secretion)
(5) 11° 35 manifest inflection & secretion
5° 30' well clasped (11th 8° 15' almost fully ex reexpanded yet some secretion — albumen on opposite side closely clasped
12th 8° still secreting, but leaf almost fully rexpanded; albumen side inflected & largely secreting (13th 9° dry —
[77v]
[Proof sheet of Expression, p. 174]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 November, 2022