Search: Hooker, J. D. in correspondent 
1850-1859::1857::05 in date 
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DCP-LETT-2087

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[2 May 1857]
Source of text:
DAR 114: 195
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.

Contributor:
Darwin Correspondence Project
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DCP-LETT-2088

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[3 May 1857]
Source of text:
DAR 114: 196
Summary:

JDH’s last letter demolishes woolly alpine plant theory.

Correlation of apetalous flowers and cold climate.

Contributor:
Darwin Correspondence Project
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DCP-LETT-2092

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
16 [May 1857]
Source of text:
DAR 114: 197
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.

Contributor:
Darwin Correspondence Project
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