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To J. D. Hooker   17 January [1857]

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Summary

CD will advise W. F. Daniell on collecting.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  17 Jan [1857]
Classmark:  DAR 114: 188
Letter no:  DCP-LETT-2040

To J. D. Hooker   20 January [1857]

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Summary

CD will advise Daniell not to apply for Royal Society grant.

CD’s experiment: fish fed seeds, which germinated when voided.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  20 Jan [1857]
Classmark:  DAR 114: 189
Letter no:  DCP-LETT-2042

To J. D. Hooker   15 March [1857]

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Summary

Separation of sexes in trees [U. S.].

Do plants offer positive evidence for "continuous land" theory?

Protean genera.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  15 Mar [1857]
Classmark:  DAR 114: 193
Letter no:  DCP-LETT-2066

To J. D. Hooker   [21 March 1857]

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Summary

Ranges of species in large vs small genera: Asa Gray’s compilation fits CD’s expectation.

CD studies seedling mortality in his weed garden.

JDH’s work on Indian flora.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [21 Mar 1857]
Classmark:  DAR 114: 192a
Letter no:  DCP-LETT-2067

To J. D. Hooker   8 April [1857]

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Summary

Independence of variation from climate shown by several plant genera; CD asks for confirmation.

Progressing with book [Natural selection].

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  8 Apr [1857]
Classmark:  DAR 114: 191
Letter no:  DCP-LETT-2073

To J. D. Hooker   12 April [1857]

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Summary

Thanks JDH for response on variation. Studying variations that seem correlated with environment, e.g., north vs south, ascending mountains.

CD’s weed garden: observations on slugs killing seedlings.

Seed-salting. One-seventh of the plants of any country could be transported 924 miles by sea and would germinate.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  12 Apr [1857]
Classmark:  DAR 114: 192
Letter no:  DCP-LETT-2075

To J. D. Hooker   [29 April 1857]

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Summary

Curative power of hydropathy.

General hairiness of alpine plants questioned: direct environmental effect.

CD has long felt JDH is too hard on bad observers.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [29 Apr 1857]
Classmark:  DAR 114: 194
Letter no:  DCP-LETT-2084

To J. D. Hooker   [2 May 1857]

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Summary

JDH has shaved the hair off the alpine plant.

CD apologises for his criticism.

Apparent but false relations of plant structure to climate: heath-like foliage of all Cape of Good Hope plants.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [2 May 1857]
Classmark:  DAR 114: 195
Letter no:  DCP-LETT-2087

To J. D. Hooker   [3 May 1857]

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Summary

JDH’s last letter demolishes woolly alpine plant theory.

Correlation of apetalous flowers and cold climate.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [3 May 1857]
Classmark:  DAR 114: 196
Letter no:  DCP-LETT-2088

To J. D. Hooker   16 [May 1857]

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Summary

Asks JDH’s opinion, and botanical evidence, on important law: parts that are highly developed in comparison to other allied species are very variable.

Interest in hairiness of alpine plants revived by reading A. Moquin-Tandon [Éléments de tératologie végétale (1841)]; correlation with dryness. CD seeks interpretation independent of direct environmental effect.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  16 [May 1857]
Classmark:  DAR 114: 197
Letter no:  DCP-LETT-2092

To J. D. Hooker   2 June [1857]

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Summary

Qualifications of John Lindley, Huxley, Albany Hancock, Joseph Prestwich, J. C. Ross, and Francis Beaufort for Royal Medal.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  2 June [1857]
Classmark:  DAR 114: 199
Letter no:  DCP-LETT-2099
Document type
letter (31)
Author
Addressee
Hooker, J. D.disabled_by_default
Correspondent
Date
1857disabled_by_default
01 (3)
03 (2)
04 (3)
05 (3)
06 (5)
07 (3)
08 (2)
09 (3)
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