The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. [1841.06]. [On humble-bees]. CUL-DAR49.22. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2021. 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.

[22]

Maer June / 41 /

Rhododendron nectary marked by change freckles (a) on upper petal; bees & flies seem directed to it – The Humbles in crawling out brush over anther & pistil & one I saw impregnate by pollen with which a Bee was dusted over.

[annotated sketch of petals –pistil nectary anther]

Stamens & pistil curve upwards so that anthers & stigma both in fairway to nectary.

Is not this so very

Kidney Bean How is it generally

In Azalea is so several – In yellow day lily, the Bees visit base of upper petal, though not differently coloured & stamens bend up a little.

[in margin:] In corn [illeg] & Heartease iris colours of nectary petal on lower side of flower

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