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From John Denny   20 July 1872

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Summary

Thanks CD for his offer to communicate the results of his experiments with Pelargonium to the Linnean Society. Prefers to continue experimenting for at least another season before doing so.

Author:  John Denny
Addressee:  Charles Robert Darwin
Date:  20 July 1872
Classmark:  DAR 162: 160
Letter no:  DCP-LETT-8421

Matches: 8 hits

  • … From John Denny   20 July 1872
  • … DAR 162: 160 John Denny Stoke Newington 20 July 1872 Charles Robert Darwin …
  • … the Birmingham Horticultural Congress (see letter to John Denny, 9 July 1872  and n.  1). …
  • … See letter to John Denny, 14 July [1872] and n.  7. The statement was made in Denny  …
  • … See letter to John Denny, 14 July [1872] . Denny 1872a was originally …
  • … characters (see also letter from John Denny, 12 July 1872 , n.  2). The scarlet section …
  • … those of Denny in his letter to John Denny, 14 July [1872] . William Turner Thiselton-Dyer …
  • … Ray Society (see also letter to John Denny, 14 July [1872] and n.  5). No translation of …

From John Denny   12 July 1872

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Summary

Replies to CD’s queries. Duke of Cornwall Pelargonium is fertile with its own pollen. Has failed to produce hybrids from other varieties besides P. peltatum and P. elegans. Sends numbers of the Florist which contain an account of his mode of procedure ["On cross-breeding pelargoniums" Florist & Pomologist (1872): 10, 34, 50].

Reports a confirmation of his theory of the prepotence of the male parent.

Author:  John Denny
Addressee:  Charles Robert Darwin
Date:  12 July 1872
Classmark:  DAR 162: 159
Letter no:  DCP-LETT-8407

Matches: 6 hits

  • … From John Denny   12 July 1872
  • … DAR 162: 159 John Denny Stoke Newington 12 July 1872 Charles Robert Darwin …
  • … See letter to John Denny, 9 July 1872  and n.  1. …
  • … See letter to John Denny, 9 July 1872  and n.  2. The extensive cross-breeding of …
  • … and Gärtner 1849 (see letter to John Denny, 9 July 1872  and n.  6). Denny’s article ‘On …
  • … 1872b , p.  50, and the letter to John Denny, 9 July 1872  and n.  2. The communication …

From John Denny   16 August 1879

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Summary

JD communicates, after seven years, news of a new "sport" of Pelargonium, sterile both with other varieties and with the mother plant, thus indicating that it is possibly a new species.

Author:  John Denny
Addressee:  Charles Robert Darwin
Date:  16 Aug 1879
Classmark:  DAR 162: 161
Letter no:  DCP-LETT-12195

Matches: 3 hits

  • … Correspondence vol. 20, letter to John Denny, 22 July 1872 . CD had referred to Denny’s …
  • … p. 872, 6 July 1872, pp. 904–5. Denny, John. 1872b. On cross-breeding pelargoniums. …
  • Denny, John. 1872a. The relative influence of parentage in flowering plants. Gardeners’ Chronicle , 29 June 1872, …
Document type
letter (3)
Author
Addressee
Correspondent
Date
1872 (2)
1879 (1)