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Darwin Correspondence Project

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Darwin Correspondence Project
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To John Scott   19 December [1862]

Summary

JS should be proud of his paper ["Nature of the fern-spore", Edinburgh New. Philos. J. 2d ser. 16 (1862): 209–27].

CD has just found that JS’s observations on the confluence of two sexes causing variability were independently confirmed by Huxley.

CD has always suspected a fundamental difference between buds and ovules.

Asks for examples of "bud-variation" or "sports".

Asks JS to test germination of pollen on rostellum of Laelia.

Offers JS money for experimental supplies, e.g., netting, to keep insects out of flowers.

Encloses an outline of crossing experiments with Lythraceae, Primula, Pelargonium, and others, which he feels would be valuable.

Note on melastomids.

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  19 Dec [1862]
Classmark:  DAR 93: B35–6, B64–5, B80
Letter no:  DCP-LETT-3868

Matches: 4 hits

  • … 1862) are in DAR 205.8: 14–21. In addition, Asa Gray had, at CD’s request, supplied him …
  • … with observations on Rhexia Virginica (see letter from Asa Gray, 4 August 1862 ). …
  • … on its age and position (see letter to Asa Gray, 16 February [1862] ). CD’s observational …
  • … Daniel Oliver, 8 June [1862] , letter to Asa Gray, 1 July [1862] , and letters to M.  T.   …

To John Scott   19 November [1862]

Summary

Praises JS’s experimenting.

Has he ever studied the relative fertility of varieties? CD very interested in this subject.

Discusses Acropera.

Wants to quote JS on Zea [Variation 1: 321].

CD sends his Primula paper [Collected papers 2: 45–63].

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  19 Nov [1862]
Classmark:  DAR 93: B11–B14, DAR 147: 431
Letter no:  DCP-LETT-3814

Matches: 4 hits

  • … another very clever pamphet by Prof. Asa Gray. — Have you a copy of my Orchis Book? if you …
  • … holly for some time, and had unsuccessfully sought assistance from Asa Gray earlier in the …
  • … year (see letters to Asa Gray, 21 April [1862] and 10– …
  • … 20 June [1862] , and letter from Asa Gray, 18 May 1862 ). See letter from John Scott, 15  …

To John Scott   12 November [1862]

Summary

Discusses whether or not "male" Acropera bear fruit. JS’s interpretation of Acropera pollination is ingenious. Pollen-tubes of some cleistogamous flowers germinate in the anthers.

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  12 Nov [1862]
Classmark:  DAR 93: B7–10
Letter no:  DCP-LETT-3805

Matches: 1 hit

  • … letter to W.  E.  Darwin, [31 May 1862] , and letter to Asa Gray, 10–20 June [1862] . …

To John Scott   3 December [1862]

Summary

JS’s facts on Primula are new to CD.

In Linum CD has also found dimorphic and non-dimorphic species.

Plans to publish next autumn on successive homomorphic generations in Primula.

"Fluctuating forms" due to culture.

Urges JS to publish.

Lobelia functionally monoecious.

Where did JS publish on Clivia hybrids? Did he count parent and cross seeds, as Gärtner shows is necessary?

CD has done large experiments on artificially fertilised cowslips. They never resemble oxlips.

Would welcome detailed criticism of natural selection by a careful observer like JS. Most criticism worthless. Expects a great deal from Lyell’s reaction.

Suggests JS do orchid experiment to see if rostellum can be penetrated by pollen.

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  3 Dec [1862]
Classmark:  DAR 93: B60–3
Letter no:  DCP-LETT-3844

Matches: 3 hits

  • … to act as stigmas’. In the letter to Asa Gray, 26[–7] November [1862] , CD mentioned that …
  • … more from an extraordinary observation by Asa Gray (in number just out of Sillimans N.   …
  • … p.  vii). In A.  Gray 1862b, p.  426, Asa Gray reported that pollen falling onto certain …

To John Scott   11 December [1862]

Summary

Criticises style of JS’s fern paper [Edinburgh New Philos. J. 2d ser. 16 (1862): 209–27].

JS’s remark on "the two sexes counteracting variability in the product of the one" is new to CD.

Does the female [fern?] plant always produce female by parthenogenesis?

They seem to work on same subjects; CD has much material on Drosera.

Does not understand JS’s objections to natural selection.

Offers to suggest experiments.

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  11 Dec [1862]
Classmark:  DAR 93: B37, B49–52
Letter no:  DCP-LETT-3853

Matches: 1 hit

  • … see Correspondence vol.  8, letter to Asa Gray, 25 April [1860] ). See also letter from …
Document type
letter (5)
Author
Addressee
Correspondent
Darwin, C. R. (5)
Scott, John[X]
Date
1862
11 (2)
12 (3)