Gives observations on the coincidence of nectar secretion and the opening of the anthers in Aucuba.
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Gives observations on the coincidence of nectar secretion and the opening of the anthers in Aucuba.
Discusses fertilisation of Aucuba and Polygala.
Is assembling apparatus of lenses and reflector to observe flower from opening to first shedding of pollen, and to determine whether fertilisation is by night- or day-feeders.
Will also examine reasons for absence of nectar in Polygala linaria.