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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
3 Apr 1876
Source of text:
DAR 178: 178
Summary:

Encloses Pinguicula specimens.

Believes she has found a new species of water-lily.

Contributor:
Darwin Correspondence Project
From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
15 May 1876
Source of text:
DAR 178: 179
Summary:

Sends her article on Utricularia ["Is the valve of Utricularia sensitive?", Harper’s New Mon. Mag. 52 (1875): 382–7].

Proposes to write on Sarracenia ["Carnivorous plants of Florida", Harper’s New Mon. Mag. 53 (1876): 546–8, 710–14].

Contributor:
Darwin Correspondence Project
From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
20 Dec 1871
Source of text:
DAR 58.1: 33
Summary:

Describes fly-catching activity of Drosera longifolia.

Experiments on Papilio asterias; sex of adult determined by length of larval feeding time.

Contributor:
Darwin Correspondence Project
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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
13 Dec 1872
Source of text:
DAR 58.1: 23–4
Summary:

Drosera filiformis captures only small insects [but see 8989].

Writes of her experiments with butterflies.

CD’s theory steadily gains ground in the U. S., despite Agassiz.

Contributor:
Darwin Correspondence Project
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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
28 July 1873
Source of text:
DAR 58.1: 30–2
Summary:

Reports in detail on her experiments with Drosera. Finds she was mistaken in thinking D. filiformis captured only small insects.

Contributor:
Darwin Correspondence Project
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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
8 June 1874
Source of text:
DAR 58.1: 58–9
Summary:

Sends her observations on Dionaea capturing insects. [See Insectivorous plants, pp. 311–12.]

Contributor:
Darwin Correspondence Project
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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
22 Oct 1874
Source of text:
DAR 58.1: 108
Summary:

Observation on the limitations on the power of digestion in Dionaea.

Contributor:
Darwin Correspondence Project
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From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
2 Dec 1874
Source of text:
DAR 58.1: 109–10
Summary:

Observations on the insects captured by Utricularia.

Contributor:
Darwin Correspondence Project
thumbnail
From:
Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat
To:
Charles Robert Darwin
Date:
11 Feb 1875
Source of text:
DAR 178: 177
Summary:

Structure of Utricularia; its resemblance to an animal vascular system.

Contributor:
Darwin Correspondence Project