RECORD: Darwin, C. R. 1864.07.26-09.07. Euonymus / I marked tree by Hedge of Stony Field. CUL-DAR109.A34a. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2022. 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 volumes CUL-DAR108-111 contain material for Darwin's book Forms of flowers (1877).

Great Pucklands was known as "Stoney field" by the Darwins.


[A34a]

Euonymus July 26' 1864

I marked tree by Hedge of Stony Field.

8 Trees with aborted stamen covered with fruit, except one which had only a few.

5 4 trees with pollen all had a few pods — conspicuously few compared to adjoining queens — female tree.—

[in margin:] Here number about 9 [illeg] of 8 other [illeg] to [illeg] on pollen.

Sept 7th Fruits are red, better from observation; one of the 5 had only a dozen or two on whole tree — The other 4 had several dozen, but a single branch from female tree from 2- to 3 feet in length in each case produced more fruit, that all on whole large bush —

Beautiful gradation — Thyme — Euonymus. Holly / over

[A34av]

After showing simple gradation — Then give reason for suspecting from dimorphism & show by Pulmonaria (see account) how tha it is possible by to produce case like Thyme, long-styled becoming female & short-styled (of which pollen so well fertilises both forms) male— yet, I believe in this case not probable—


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

File last updated 1 February, 2023