RECORD: Darwin, C. R. n.d. Abstract of Lecoq, Études sur la géographie botanique de l'Europe, etc. CUL-DAR49.156. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. RN2
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-DAR49 contains notes for Natural selection chap. 3 on 'On...organic beings occasionally crossing' or dichogamy.
[156]
Lecoq Tom 3/161 different periods of flowering on mountain a day to 30 metres.— prevent crossing
(Dichogamy)
Lecoq, Henri, (1802-1871). Études sur la géographie botanique de l'Europe, et en particulier sur la végétation du plateau central de la France, 9 volumes. New York: H. Baillière.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 6 January, 2026