RECORD: Darwin, C. R. 1868. I observe in plainest way that seeds of Papaver vagum & Delphinium. CUL-DAR77.24. 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).
[24]
1868. I observe in plainest way that seeds of Papaver vagum, & Delphinium consolida, Ononis minutissima & Flos adonis, but especially of two first, when placed on damp sand in tumbler, covered with glass, on my chimney piece in N.E dark room, & some way from window, very Rarely more than one or two seeds germinated; but when, after remaining on the sand, though left there for some week, then, put in Pot but when [illeg] the same seeds, place on the earth in pot & & covered with a thin layer of sand, they germin germinated quickly, quickly, freely in very large numbers — It is clear that light very injurious to germination of these seeds.— Cause of error
Causes of error in experiments
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 May, 2023