skip to content

Darwin Correspondence Project

Search: contains ""

Darwin Correspondence Project
Search:
1861::07::28 in date disabled_by_default
1861::07::28 in date disabled_by_default
1 Item
Sorted by:  
Page: 1

To J. D. Hooker   [28 July – 10 August 1861]

thumbnail

Summary

Puzzled by function of orchids’ rostellum.

Orchids’ pollen concentrated in two pollinia; hence one flower can fertilise only two others. This may explain precision of orchid pollination mechanisms.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [28 July – 10 Aug 1861]
Classmark:  DAR 115: 109
Letter no:  DCP-LETT-3221