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To George Henslow   23 October [1876]

Summary

Floral structure. The order of the development of the whorls and its relationship to a protandrous or protogynous condition in flowers.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  23 Oct [1876]
Classmark:  Darwin Library–CUL, Henslow 1888 (tipped in opposite p. 190)
Letter no:  DCP-LETT-10648

To George Henslow   11 February 1879

Summary

Disagrees with GH over the value of cross-fertilisation.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  11 Feb 1879
Classmark:  DAR (CD Library - G. Henslow 1888)
Letter no:  DCP-LETT-11870

To George Henslow   [2–5 November 1865]

Summary

Reports the results of an experiment to compare the weight of seeds produced in plants of [Medicago sativa] by self-pollination and by insect pollination.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  [2–5 Nov 1865]
Classmark:  Journal of the Linnean Society (Botany) 9 (1867): 328 n.
Letter no:  DCP-LETT-4929F

To George Henslow   16 April [1866]

Summary

F. Hildebrand, in his recent article [Bot. Ztg. 10 (1866): 73–8], describes what GH showed CD about Indigofera’s irritability.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  16 Apr [1866]
Classmark:  Linnean Society of London, C451: Opuscula
Letter no:  DCP-LETT-5058

To George Henslow   [before 19 April 1866]

Summary

Describes the pollination of broom by bees.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  [before 19 Apr 1866]
Classmark:  Journal of the Linnean Society (Botany) 9 (1867): 358
Letter no:  DCP-LETT-5059F

To George Henslow   12 June [1866]

Summary

Returns proofs of GH’s paper ["On hybridization among plants", Pop. Sci. Rev. 5 (1866): 304–13] with his criticisms. Prefers that GH not state that CD has read the proofs.

Does C. V. Naudin really say that ovules (not seed) of hybrid Luffa and Cucumis are imperfect?

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  12 June [1866]
Classmark:  Fitzwilliam Museum, Cambridge (GEN/D/DARWIN (C)/9)
Letter no:  DCP-LETT-5118

To George Henslow   15 [June 1866]

Summary

CD believes most strongly in reversion. J. G. Kölreuter’s, K. F. v Gärtner’s, and some of Charles Naudin’s cases leave no doubt in his mind. Forgets whether Herbert gave cases but in conversation he certainly believed in it. Thinks Gärtner is right to say reversion occurs only rarely in plant hybrids which have not been cultivated. [See 5120.]

Variation

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  15 [June 1866]
Classmark:  DAR Library: tipped into George Henslow’s copy of Variation
Letter no:  DCP-LETT-5123A

To George Henslow   7 December [1871]

Summary

Refers GH to vol. 2, p. 431 of Variation for the "perplexed conclusion" at which CD has arrived on variation and design. Has nothing to add to this statement.

Author:  Charles Robert Darwin
Addressee:  George Henslow
Date:  7 Dec [1871]
Classmark:  Linnean Society of London (C.452)
Letter no:  DCP-LETT-8099
Document type
Author
Darwin, C. R.disabled_by_default
Addressee
Correspondent
Darwin, C. R.disabled_by_default
Henslow, Georgedisabled_by_default
Date
1865 (1)
1866 (4)
1871 (1)
1876 (1)
1879 (1)