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To J. D. Hooker   7 March [1855]

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Latitude overrules everything in distribution. Alpine distributions are like insular. Tabulating proportions.

T. V. Wollaston’s Madeira insects: many flightless, thus not blown to sea. TVW’s insects do not confirm Forbes’s Atlantis.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  7 Mar [1855]
Classmark:  DAR 114: 126
Letter no:  DCP-LETT-1643

To J. D. Hooker   7 April [1855]

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Summary

CD has begun seed-salting experiments. Wants JDH to write which seeds he expects to be easily killed [in salt water].

CD’s idea that coal-plants lived in salt water like mangroves made JDH savage.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  7 Apr [1855]
Classmark:  DAR 114: 127
Letter no:  DCP-LETT-1661

To J. D. Hooker   13 April [1855]

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Summary

Pea self-fertilisation: has forty-five varieties growing side by side.

Describes seed-salting experiments: e.g., immersion in tank filled with snow. Reports some successful germinations.

Made list of naturalised plants from Asa Gray’s Manual [of Botany] to calculate the proportions of the great families.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  13 Apr [1855]
Classmark:  DAR 114: 128
Letter no:  DCP-LETT-1667

To J. D. Hooker   19 April [1855]

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Summary

Rejects JDH’s suggestion that seed-salting experiments be conducted on huge scale. Only wishes to demonstrate possibility of sea transport, not establishment of any particular insular flora. More seed results.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  19 Apr [1855]
Classmark:  DAR 114: 129
Letter no:  DCP-LETT-1669

To J. D. Hooker   24 April [1855]

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Summary

More on seed-salting. JDH’s admission that he expected seeds to die in a week gives CD "a nice little triumph".

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  24 Apr [1855]
Classmark:  DAR 114: 130
Letter no:  DCP-LETT-1671

To J. D. Hooker   11 May [1855]

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Summary

JDH to be appointed Assistant Director at Kew.

On where to publish seed-salting paper. Floating problem perhaps more important than germination.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  11 May [1855]
Classmark:  DAR 114: 131
Letter no:  DCP-LETT-1680

To J. D. Hooker   15 [May 1855]

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Summary

CD upset because salted seeds do not float.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  15 [May 1855]
Classmark:  DAR 114: 147
Letter no:  DCP-LETT-1681

To J. D. Hooker   27 May [1855]

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Summary

CD’s seed paper in Gardeners’ Chronicle [Collected papers 1: 255–8];

CD attacks Forbes’s "Atlantis".

Considers solutions to floating problem. Decides to test Azores seeds.

Photographs and drawings of CD.

Plant movement experiments with Hedysarum gyrans.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  27 May [1855]
Classmark:  DAR 114: 132
Letter no:  DCP-LETT-1688

To J. D. Hooker   2 June [1855]

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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.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  2 June [1855]
Classmark:  DAR 114: 134
Letter no:  DCP-LETT-1692

To J. D. Hooker   5 June [1855]

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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.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  5 June [1855]
Classmark:  DAR 114: 135
Letter no:  DCP-LETT-1693

To J. D. Hooker   10 June [1855]

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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.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  10 June [1855]
Classmark:  DAR 114: 136
Letter no:  DCP-LETT-1696

To J. D. Hooker   15 [June 1855]

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Summary

Thanks for Hedysarum.

Pleasure in identifying field plants.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  15 [June 1855]
Classmark:  DAR 114: 137
Letter no:  DCP-LETT-1700

To J. D. Hooker   23 [June 1855]

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Summary

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

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  23 [June 1855]
Classmark:  DAR 114: 138
Letter no:  DCP-LETT-1702

To J. D. Hooker   5 July [1855]

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Summary

Has named 35 species of grasses.

Seed-salting continues.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  5 July [1855]
Classmark:  DAR 114: 140
Letter no:  DCP-LETT-1711

To J. D. Hooker   14 [July 1855]

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Summary

CD experiments: sowing seeds in fields; "breaking" seeds’ constitution with coloured light; plant hybridisation. Compiling works on hybridism.

Respect for W. B. Carpenter.

Note on "nectar secreting" to Gardeners’ Chronicle [Collected papers 1: 258–9].

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  14 [July 1855]
Classmark:  DAR 114: 141
Letter no:  DCP-LETT-1717

To J. D. Hooker   18 [July 1855]

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Has read a paper, presumably by JDH, using the Madeiran flora to argue against Forbes’s doctrine.

JDH asked how far CD will go in attributing common descent; he intends to show "the facts & arguments for & against the common descent of species of same genus; & then show how far the same arguments tell for or against forms, more & more widely different".

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  18 [July 1855]
Classmark:  DAR 114: 142
Letter no:  DCP-LETT-1719

To J. D. Hooker   19 July [1855]

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Summary

Parcels sent to Down by coach may get lost.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  19 July [1855]
Classmark:  DAR 114: 139
Letter no:  DCP-LETT-1722

To J. D. Hooker   28 [July 1855]

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Praise for JDH’s Flora Indica [J. D. Hooker and T. Thomson (1855)] from CD and C. J. F. Bunbury.

CD and J. S. Henslow dining in London. JDH invited.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  28 [July 1855]
Classmark:  DAR 114: 143a
Letter no:  DCP-LETT-1731

To J. D. Hooker   9 [December 1855]

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Summary

Burying charlock seeds.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  9 [Dec 1855]
Classmark:  DAR 114: 143
Letter no:  DCP-LETT-1736

To J. D. Hooker   10 August [1855]

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Morning with H. C. Watson; discussed problems of inferences from buried seeds.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  10 Aug [1855]
Classmark:  DAR 114: 144
Letter no:  DCP-LETT-1737
Document type
letter[X]
Author
Addressee
Hooker, J. D.[X]
Correspondent
Date
1855
03 (1)
04 (4)
05 (3)
06 (5)
07 (5)
08 (3)
10 (2)
11 (4)
12 (1)
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