RECORD: Darwin, C. R. 1840.04.05. It seems Coucumber in frames will not impregnate each other. CUL-DAR49.1b. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2021. RN1

NOTE: In Darwin's personal journal, he recorded "April 3rd went to Shrewsbury for a week by myself".

Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR49 contains notes for Natural selection chap. 3 on 'On...organic beings occasionally crossing' or dichogamy.


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Shrewsbury April 5, 1840.

It seems [Cowainba] in frames will not impregnate each other, yet as [illeg] &c shows that their existence for one more generation in wild state depends on their relation to insects & winds.

My father says his Passiflora quadrangularis, rarely if never [b…] till in flower, though (not known dioicous) was [illeg] on others, [illeg] here we see same thing over in non-dioicous flowers – well known to be so: See Loudon.

Where is [illeg] from [illeg]

beans as grapes not crossing other when trained.


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

File last updated 25 September, 2022