Asks JD to observe Leschenaultia formosa to verify CD’s hypothesis of how it is fertilised. Also suggests an experiment to determine whether it is fertilised by nocturnal insects.
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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.
Asks JD to observe Leschenaultia formosa to verify CD’s hypothesis of how it is fertilised. Also suggests an experiment to determine whether it is fertilised by nocturnal insects.
Answers CD’s questions about his experiments with primroses, cowslips, and oxlips. HD is aware experiments must often be repeated many times. Has never met with the oxlip except where primrose and cowslip grow together.