RECORD: Darwin, C. R. 1841.07. Orchideae Ophrys — as showing what insects can effect. CUL-DAR206.2. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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.
[2]
Shrewsbury July 1841
Orchideæ Ophrys — as showing what insects can effect.—
Flowers where stamens abortive
Vinca —
Heartease does stigma bend down in young flowers
= Study this flower =
When pollen of two varieties mixed will own or foreign tell?—
Do flies stick to same species of flowers like Bees
Do Moths effect much?
Moths can be caught by Treacle
Euphorbia a great difficulty.
Wheat. Froment Dict. Univers. d' Hist. Nat. says fecundation takes place a "Huis clos" so no hybrids can be made
Lecoq says in early morning
[2]
Collinsia I do not understand how blends into Pap. Flower.
Castrate Sweet Peas, & see if they produce by natural Pollen introduced
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 13 January, 2023