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From J. D. Hooker   [20 April 1860]

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CD’s observations on curved styles read well. JDH seeks morphological rationale of curvature in the position of nectaries.

He has avoided lecturing to Royal Family’s children at Buckingham Palace.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [20 Apr 1860]
Classmark:  DAR 100: 139–40
Letter no:  DCP-LETT-2764

From J. D. Hooker   [28 April 1860]

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Summary

Has examined Leschenaultia and concludes the external viscid surfaces have nothing to do with the stigmatic surface. Agrees with CD’s style and nectary conclusions; accounts for their form and position in irregular flowers by describing floral development.

[Enclosed are some queries by CD with answers by JDH. Gives information on seed setting by Mucuna

and an opinion on the abruptness of N. and S. limits of plant ranges.]

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [28 Apr 1860]
Classmark:  DAR 100: 150–1, DAR 166.2: 262
Letter no:  DCP-LETT-2774

From J. D. Hooker   8 June 1860

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Summary

Glad to hear good news of Etty [Henrietta Darwin].

CD’s observations on Scaevola are capital. The indusium collects the pollen and is the homologue of the pollen-collecting hairs of Campanula. A boat-shaped organ forms a second indusium, the inside base of which forms the stigmatic surface. The latter later protrudes as horns, forming the stigma.

Describes W. H. Harvey’s scientific career and thinks his letter interesting. Agrees with Harvey that the primary agency of natural selection is as great a mystery as ever. [Response to 2823.]

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  8 June 1860
Classmark:  DAR 157a
Letter no:  DCP-LETT-2825A

From J. D. Hooker   2 July 1860

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JDH reports on the debate on the Origin at Oxford [BAAS] meeting.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  2 July 1860
Classmark:  DAR 100: 141–2
Letter no:  DCP-LETT-2852

From J. D. Hooker   [26 November – 4 December 1860]

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Summary

Encourages CD’s work in vegetable physiology.

Ascending the Lebanon JDH noted limits of plant distribution as CD requested: lower limits of a genus sharper than upper. Sharpness of boundaries related to a plant’s moisture requirement.

Impressed by "sporadic" distribution at the Jardin des Plantes in Paris.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [26 Nov – 4 Dec 1860]
Classmark:  DAR 100: 158–60
Letter no:  DCP-LETT-3000

From J. D. Hooker   [6–11 December 1860]

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JDH’s page-by-page criticisms on Origin, first edition, as requested by CD for preparation of the third edition.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [6–11 Dec 1860]
Classmark:  DAR 104: 218
Letter no:  DCP-LETT-3013

From J. D. Hooker   28 December 1860

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CD’s article worth publishing in Gardeners’ Chronicle. JDH interprets CD’s observation in terms of selection. Has observed similar phenomenon in Cruciferae, where it can be taxonomically important.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  28 Dec 1860
Classmark:  DAR 100: 143–4, 146–8
Letter no:  DCP-LETT-3033

From J. D. Hooker   [11 May – 3 December 1860]

Summary

CD’s divergent series explains those anomalous plants that hover between what would otherwise be two species in a genus.

Inclined to see conifers as a sub-series of dicotyledons that developed in parallel to monocotyledons, but retained cryptogamic characters.

Mentions H. C. Watson’s view of variations.

Man has destroyed more species than he has created varieties.

Variations are centrifugal because the chances are a million to one that identity of form once lost will return.

In the human race, we find no reversion "that would lead us to confound a man with his ancestors".

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [11 May – 3 Dec 1860]
Classmark:  DAR 205.5: 217 (Letters), DAR 47: 214
Letter no:  DCP-LETT-3036
Document type
letter (8)
Author
Hooker, J. D.[X]
Addressee
Correspondent
Darwin, C. R.[X]
Hooker, J. D. (8)
Date
1860
04 (2)
05 (1)
06 (1)
07 (1)
11 (1)
12 (2)
letter