RECORD: Darwin, C. R. n.d. Abstract of Cruger, Ueber Befruchtung bei den Orangen. CUL-DAR49.42. Edited by John van Wyhe (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. 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-DAR49 contains notes for Natural selection chap. 3 on 'On...organic beings occasionally crossing' or dichogamy.
[42]
Dr. H. Cruger in Bot. Zeitung 1851 p. 60 gives evidence of Ficus requiring insects.
Dichogam
Crüger, Hermann. 1851. Ueber Befruchtung bei den Orangen. Botanische Zeitung 9 (24 January; 31 January): 57-63; 73-80.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 24 September, 2025