RECORD: Darwin, C. R. 1874.10.27. long section of disc of Drosera. CUL-DAR57.141. 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).
[141]
Oct 27 /74/. long-section of disc of Drosera (Frank) 5 or 6 rows of cells— q rather larger & quite as longitudinal as the exterior ones.
(There are long cells of fibrous nature with spiral vessels, & it was these which I did not cut through in exper. I think)
In transverse section I can see the medial layer of cells larger — all rounded in transverse section those on surface as well as in middle — All then I had better say is that the interior layers of cells are larger, & ar equally elongated in longitudinal same direction as those on surface; & that I do not know whether the m. impulse is transmitted by these or by surface.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 18 May, 2023