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To Daniel Oliver   3 November [1860]


DO’s candidacy for Professorship of Botany [at University College, London].

Henrietta’s health is better.

Paper in Botanische Zeitung [T. Nitschke, "Über die Reizbarkeit der Blätter von Drosera rotundifolia", 18: 229–34, 237–45, 245–50] missed leading point that plants close longer over animal substances. Carbonate of ammonia works on Lemna and Euphorbia roots.

Author:  Charles Robert Darwin
Addressee:  Daniel Oliver
Date:  3 Nov [1860]
Classmark:  DAR 261.10: 24 (EH 88206008)
Letter no:  DCP-LETT-2975

To Daniel Oliver   7 November [1860]


Congratulations on Professorship.

Homologies between Drosera and Dionaea. Carbonate of ammonia on roots. Wants W. H. Fitch to make drawings of Dionaea. Will copy minute structure of hairs from Trécul [see 2965].

Author:  Charles Robert Darwin
Addressee:  Daniel Oliver
Date:  7 Nov [1860]
Classmark:  DAR 261.10: 25 (EH 88206009)
Letter no:  DCP-LETT-2977

To Daniel Oliver   16 November [1860]


One thirty-thousandth of a grain of human hair inflects a single Drosera hair. Astonished by his results so he is not publishing until next summer. [Not published until 1875, Insectivorous plants. See ch. 2 for observations on inflection.]

Wants to study effects of acids on live Dionaea. Oliver should do their anatomy. Corresponding with chemical physiologists about carbonate of ammonia on roots.

Author:  Charles Robert Darwin
Addressee:  Daniel Oliver
Date:  16 Nov [1860]
Classmark:  DAR 261.10: 26 (EH 88206010)
Letter no:  DCP-LETT-2985

To Daniel Oliver   [21 November 1860]


The plant CD’s father called "flycatcher" was not Asclepias.

Author:  Charles Robert Darwin
Addressee:  Daniel Oliver
Date:  [21 Nov 1860]
Classmark:  DAR 261.10: 27 (EH)
Letter no:  DCP-LETT-2987
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letter (4)
Oliver, Danieldisabled_by_default