RECORD: Darwin, C. R. 1875.02. Primula sinensis. CUL-DAR59.2.91. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2021. 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).


[91]

(Feb 1875)

P. sinensis

[calculations]

Upper + Lower = 65;371 hairs to square inch

Number of hairs in (a square inch of) upper surface being taken = 100 there are 85 in a sq inch of lower surface

[91v]

[calculations]


Return to homepage

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 25 September, 2022