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DCP-LETT-1584

From:
Charles Cardale Babington
To:
Charles Robert Darwin
Date:
[c. June 1855]
Source of text:
DAR 160: 1
Summary:

Reports that he sees the oxlip, cowslip, and primrose as really distinct species; hybrids are formed between any two.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1692

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
2 June [1855]
Source of text:
DAR 114: 134
Summary:

Asks JDH not to send H. C. Watson’s paper on Azores plants [Hooker’s Lond. J. Bot. 2 (1843): 1–9, 125–31, 394–408; 3 (1844): 582–617; 6 (1847): 380–97].

CD cannot endure trying all the Azorean seeds.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1693

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
5 June [1855]
Source of text:
DAR 114: 135
Summary:

Seeds: worried they will turn into another barnacle job.

Studies plants colonising abandoned field.

Experiment on plant sleep movements.

CD objects to "Atlantis" because no evidence; does not affect species theory.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1694

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[6–9 June 1855]
Source of text:
DAR 100: 90–3
Summary:

Finds Forbes’s continental theories, migration, and double creation are all unsatisfactory explanations of geographical distribution of plants.

Is currently working on problems of sea transport of plant species.

European plants on Australian Alps only explicable by double creations.

Contributor:
Darwin Correspondence Project
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Text Online

HENSLOW-400

From:
John Phillips
To:
J. S. Henslow
Date:
9 June 1855
Source of text:
Cambridge University Library MS Add. 8177: 251
Summary:

No summary available.

Contributor:
Henslow Correspondence Project

DCP-LETT-1696

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
10 June [1855]
Source of text:
DAR 114: 136
Summary:

Detailed response to JDH’s critique of sea transport and continental connection theories. JDH’s claim that low plants are widely distributed fits both theories.

Species theory does not touch origin of life.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1700

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
15 [June 1855]
Source of text:
DAR 114: 137
Summary:

Thanks for Hedysarum.

Pleasure in identifying field plants.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1701

From:
Margaretta Hare Morris
To:
Richard Chandler Alexander; Richard Chandler Prior
Date:
17 June 1855
Source of text:
DAR 205.2: 247
Summary:

On the transport of fish eggs by the water-beetle Dytiscus marginalis.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1702

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
23 [June 1855]
Source of text:
DAR 114: 138
Summary:

Has used borrowing rights at Linnean Society Library arranged for him by JDH.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1703

From:
Thomas Bell Salter
To:
Charles Robert Darwin
Date:
25 June 1855
Source of text:
DAR 177: 16 (fragile)
Summary:

Discusses hybrid plants he has raised, particularly hybrids between Geum urbanum and G. rivale, which are very fertile and exhibit great variability. [See Natural selection, p. 102.]

Contributor:
Darwin Correspondence Project

DCP-LETT-1705

From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
27 June [1855]
Source of text:
DAR 93: A28–A30
Summary:

Asks whether JSH considers Lychnis diurna and L. vespertina species or varieties.

Asks for help with his work on hybrids.

Would like JSH to go over London catalogue of British plants, marking "close species", i.e., those he considers real species but which are very closely allied. Withholds his motive as it might influence the result.

Has found Agrostis with worms in every germen and no stamens on stigma.

Now has 46 kinds of peas all growing together.

Contributor:
Darwin Correspondence Project
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Text Online

HENSLOW-401

From:
Leonard Jenyns
To:
J. S. Henslow
Date:
27 June 1855
Source of text:
Cambridge University Library MS Add. 8177: 190
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online

HENSLOW-402

From:
Joseph Prestwich
To:
J. S. Henslow
Date:
27 June 1855
Source of text:
Cambridge University Library MS Add. 8177: 267
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online

HENSLOW-403

From:
William Spence
To:
J. S. Henslow
Date:
28 June 1855
Source of text:
Cambridge University Library MS Add. 8177: 299
Summary:

No summary available.

Contributor:
Henslow Correspondence Project

DCP-LETT-1706

From:
John Stevens Henslow
To:
Charles Robert Darwin
Date:
29 June 1855
Source of text:
DAR 166: 177
Summary:

Red and white campions: JSH regards them as races, not species; a flesh-coloured intermediate exists.

Contributor:
Darwin Correspondence Project

DCP-LETT-1707

From:
Asa Gray
To:
Charles Robert Darwin
Date:
30 June 1855
Source of text:
DAR 165: 92a
Summary:

Sends a list of "close" species from his Manual of botany.

Hopes Hooker or CD will write an essay on species. Discusses some of the difficulties of defining botanical species.

Contributor:
Darwin Correspondence Project
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