RECORD: Darwin, C. R. 1868.04.22. It is an error that oncidium produced capsules. CUL-DAR193.1. Edited by John van Wyhe (Darwin Online,

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. 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-DAR193 contains notes for Darwin's book Variation under domestication (1865-75).


It is an error that oncidium produced capsules when fertilised by Leptotes

Fritz Müller — April 22 /68 /


[Variation 2: 134: "Fritz Müller found that four other endemic species of Oncidium were in like manner utterly sterile with their own pollen, but fertile with that from any other plant: some of them likewise produced seed-capsules when impregnated with pollen of widely distinct genera, such as Leptotes, Cyrtopodium, and Rodriguezia!"]

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (

File last updated 25 September, 2022