Search: Hooker, J. D. in addressee 
1870-1879::1878::03 in date 
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[1 Mar 1878]
Source of text:
DAR 95: 451–2
Summary:

CD again asks JDH to support Torbitt’s project to breed disease-resistant potatoes. He has also sought support of Farrer, Duke of Richmond, and James Caird.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[3 or 4 Mar 1878]
Source of text:
DAR 95: 453–4
Summary:

His attempts to obtain a Government grant for Torbitt seem hopeless.

CD is suffering from constant swimming of the head.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
11 Mar [1878]
Source of text:
Royal Botanic Gardens, Kew (JDH/2/2/1 f. 310)
Summary:

Sends JDH a letter he has written supporting James Torbitt’s potato trials.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
25 Mar [1878]
Source of text:
DAR 95: 469–70
Summary:

CD and Frank think they have proved that function of plant sleep is to protect leaves from injury by chilling radiation. Requests plants for experiment to determine whether underside of leaf is hardier than upper.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
28 Mar [1878]
Source of text:
DAR 95: 471–2
Summary:

Studying geotropism.

Experiments using exposure to frost to study nyctitropism are difficult to perform because species vary in frost tolerance.

Contributor:
Darwin Correspondence Project
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