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Darwin Correspondence Project
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"Darwin C R" in search-correspondent [X]
Hooker, J. D. in addressee [X]
1878::03 in date [X]
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To J. D. Hooker   25 March [1878]

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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.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  25 Mar [1878]
Classmark:  DAR 95: 469–70
Letter no:  DCP-LETT-11443

To J. D. Hooker   28 March [1878]

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Summary

Studying geotropism.

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

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  28 Mar [1878]
Classmark:  DAR 95: 471–2
Letter no:  DCP-LETT-11452

To J. D. Hooker   [1 March 1878]

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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.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [1 Mar 1878]
Classmark:  DAR 95: 451–2
Letter no:  DCP-LETT-11386

To J. D. Hooker   [3 or 4 March 1878]

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Summary

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

CD is suffering from constant swimming of the head.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [3 or 4 Mar 1878]
Classmark:  DAR 95: 453–4
Letter no:  DCP-LETT-11390
Document type
letter (4)
Author
Addressee
Hooker, J. D.[X]
Correspondent
Date
1878
03
01 (1)
03 (1)
25 (1)
28 (1)
letter