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Darwin Correspondence Project
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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
Document type
letter (3)
Author
Addressee
Hooker, J. D.[X]
Correspondent
Date
1857
04
08 (1)
12 (1)
29 (1)
letter