RECORD: Darwin, C. R. [1874-1875]. Draft of Insectivorous plants, Chapter 4, folio 1A. CUL-DAR77.86r. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2023. 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 76-79 contain material for Darwin's book Cross and self fertilisation (1876).
The text of this draft corresponds to Insectivorous plants, p. 230.
(1A
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Ch 4
for in six observed cases (in two, however of which, however, the gland was pinched off) the protoplasm within the cells of the tentacles did not become aggregated; whereas in some adjoining tentacles which had been roughly touched by the pincers & were inflected, when it was well aggregated.
The same result effect follows So it is with respect to the aggregation of the protoplasm,— when a leaf is instantly killed by being dipped into boiling water. On the other hand in several of the above cases, in which tentacles were cut off with sharp scissors close under their beneath the glands, & they became inflected, there was distinct though moderate aggregation of the protoplasm.)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 29 May, 2023