RECORD: Darwin, C. R. n.d. [Excised pages from Torn Apart notebook]. CUL-DAR46.2.C46. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

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-DAR46.2 contains Notes for Natural selection.

Also transcribed in: Darwin, C. R. 1839-1841. Torn Apart notebook. CUL-DAR-TornApartNotebook.


111

xx Saw Humble go from great Scarlet Poppy to Rhododendron— from Larkspur to Lupine two species of Larkspur — two varieties of Cistus Speedwell to Rhododendron— Loasa Anchusa— speedwell Iris— Azalea. Rhododendron. Fraxinella to Anchusa never once P on Fraxinella Heartease small Humble alighted on base of filaments & reached nectar =again= between them, hence quite below stigma & so avoided it. On certain days Humble seem to frequent certain flowers, to day early, the great scarlet Poppy—

112

So that, finally Fraxinella with respect to nectary is same case as Azalea or Rhododendron

xx After several gloomy days hot one, Bees almost P every minute to Fraxinella & from flower plant to plant.— to my grt surprise— I found all stamens straightened pollen profusely shed; lengthened & turned up more than stamens, so that all were brushed by Bees & especially stigma after bee had brushed over the anthers of long stamens

[sketch]

as stamens grow old & shed some pollen they turn upwards & bend over stigma:— but stigma is almost roofed by united filaments.— This flower hostile to intermarriage!!


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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 31 August, 2023