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To Fritz Müller   8 September [1869]

Summary

Wants observations on a Papilio to see whether ticking noise is confined to one sex.

Experiments on self-sterility.

Will send copy of his orchid paper ["Fertilisation of orchids", Collected papers 2: 138–56].

Eschscholzia when self-fertilised, produced pods.

Author:  Charles Robert Darwin
Addressee:  Johann Friedrich Theodor (Fritz) Müller
Date:  8 Sept [1869]
Classmark:  The British Library (Loan MS 10 no 30)
Letter no:  DCP-LETT-6881

Matches: 2 hits

  • … plants of Eschotzia from your seed (N.B.  Asa Gray has been here, & says your plant & mine …
  • … to Emma Darwin’s diary (DAR 242), Asa Gray had visited CD on 28 August 1869. Eschscholzia …
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