The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1878.07.07-09. Porliera / Draft of Cross and self fertilisation. CUL-DAR209.14.109. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2023. 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 volume CUL-DAR209.14 contains material for Darwin's book Movement in plants (1880). Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Cross and self fertilisation, p. 410.

[109]

July 7th Porliera (Secured to stick)

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[109v]

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of frequent self-fertilisation. By what graduated steps

this condition was acquired we do not know. But we can see that if a lowly organised form in which the two sexes were represented. by somewhat different individuals were either before or after conjugation to increase by budding, the two incipient sexes would be apt to reappear by buds on the same stock. The ~~being~~ organism would then be in a monœcious condition, and this is probably the first step towards hermaphroditism; for if very simple male and female flowers on the

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