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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
Document type
letter (3)
Author
Addressee
Correspondent
Darwin, C. R. (3)
Hooker, J. D.[X]
Date
1857
05
02 (1)
03 (1)
16 (1)
letter