The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. [1878].06.07-10. Erytherina crista-galli / Draft of Cross and self fertilisation. CUL-DAR209.2.27-28. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2023. 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-DAR209.2 contains materials on circumnutation of leaves and stems 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. 380.

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Erytherina crista-galli (not marked) June 7

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perfect flowers. He finds in the nest of Termites in Brazil males and females with imperfect wings, which do not leave the nests and propagate the species in a cleistogene manner, but only if a fully developed queen after swarming does not

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Erytherina June 9th

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gained, we can understand the co-existence in many flowers of structures which appear at first sight unnecessarily complex and of an opposed nature. We can thus understand the great contrast between Cleistogene flowers which are adapted exclusively for

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