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To Friedrich Hildebrand   17 July 1875

Summary

Asks about FH’s research on maize. Suggests experiments.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  17 July 1875
Classmark:  Klaus Groove (private collection) [Sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-10075

From Friedrich Hildebrand   26 July 1875

Summary

No new experiments on mutually sterile maize varieties since his paper in Botanische Zeitung in 1868.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  26 July 1875
Classmark:  DAR 166: 213
Letter no:  DCP-LETT-10094

To Friedrich Hildebrand   28 July [1875]

Summary

Apologises that he cannot supply any maize seed.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  28 July [1875]
Classmark:  Klaus Groove (private collection) [Sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-10098F

From Friedrich Hildebrand   6 December 1876

Summary

Repeated maize crosses without success: i.e., in most cases yellow and red varieties did not produce fertile offspring.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  6 Dec 1876
Classmark:  DAR 166: 214
Letter no:  DCP-LETT-10701

From Friedrich Hildebrand   18 January 1877

Summary

Praise for Cross and self-fertilisation: most important point proved is benefit of crossing between related individuals grown under different conditions. This explains adaptive value of dispersal mechanisms.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  18 Jan 1877
Classmark:  DAR 166: 215
Letter no:  DCP-LETT-10803

From Friedrich Hildebrand   19 March 1877

Summary

Regrets he cannot help on Oxalis question. He did not note the names of species with cleistogamic flowers as he thought they were sufficiently known.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  19 Mar 1877
Classmark:  DAR 111: A84
Letter no:  DCP-LETT-10900

To Friedrich Hildebrand   29 March 1879

Summary

Thanks for FHGH’s new book; also for the list of seeds, but he does not want any at present.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  29 Mar 1879
Classmark:  Klaus Groove (private collection). Sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.
Letter no:  DCP-LETT-11960F

From Friedrich Hildebrand   4 December 1880

Summary

Preoccupied by reorganisation of Botanic Garden.

Regards to Francis Darwin.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  4 Dec 1880
Classmark:  DAR 166: 216
Letter no:  DCP-LETT-12888

From Friedrich Hermann Gustav Hildebrand   14 July 1862

Summary

Offers to translate Orchids, since H. G. Bronn has died.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  14 July 1862
Classmark:  DAR 166: 199
Letter no:  DCP-LETT-3658

To Friedrich Hildebrand   17 July [1862]

Summary

Thanks for Hildebrand’s offer to translate Orchids into German, but H. G. Bronn had finished his translation before his death (Bronn trans. 1862). Has not yet received Hildebrand’s work on the distribution of coniferous trees (Hildebrand 1861). Asks that his compliments be presented to L. C. Treviranus.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  17 July [1862]
Classmark:  Courtesy of Eilo Hildebrand (photocopy). [Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-3660F

From Friedrich Hildebrand   16 July 1863

Summary

He and L. C. Treviranus have repeated many of CD’s orchid observations with the same results. Sends his paper ["Fruchtbildung der Orchideen", Bot. Ztg. 21 (1863): 329–33, 337–45].

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  16 July 1863
Classmark:  DAR 166: 200
Letter no:  DCP-LETT-4242

To Friedrich Hildebrand   28 July [1863]

Summary

Comments on FH’s paper ["Fruchtbildung der Orchideen", Bot. Ztg. 21 (1863): 329–33, 337–45]. Annals and Magazine of Natural History will publish it in September [3d ser. 12 (1863): 169–74].

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  28 July [1863]
Classmark:  Courtesy of Eilo Hildebrand (photocopy) [Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-4255

From Friedrich Hildebrand   10 November 1863

Summary

Pleased CD has had his [FH’s] orchid paper published [Ann. & Mag. Nat. Hist. 3d ser. 12 (1863): 169–74].

Extension of CD’s Primula heterostyly work.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  10 Nov 1863
Classmark:  DAR 166: 201
Letter no:  DCP-LETT-4337

From Friedrich Hildebrand   21 June 1864

Summary

Studying insect pollination in Salvia

and heterostyly in Pulmonaria officinalis which is similar to Linum case.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  21 June 1864
Classmark:  DAR 166: 202
Letter no:  DCP-LETT-4542

To Friedrich Hildebrand   25 June [1864]

Summary

Thanks for orchids.

Recovering from nine months’ illness.

Discusses fertilisation of Pulmonaria.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  25 June [1864]
Classmark:  Courtesy of Eilo Hildebrand (photocopy) [Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-4545

To Friedrich Hildebrand   20 April [1866]

Summary

Is obliged to receive FH’s papers. The cases of Lopezia and Schizanthus are new to him.

In 1860 CD watched Bombus lapidarius sucking the flowers of Pedicularis sylvestris and saw what FH has described.

Has not yet read the paper on Salvia.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  20 Apr [1866]
Classmark:  Morristown National Historical Park (Lloyd W. Smith MS 698)
Letter no:  DCP-LETT-5062A

From Friedrich Hildebrand   11 May 1866

Summary

Sending his paper on tristyly in Oxalis.

Cannot attend botanical congress, where CD will be vice-president.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  11 May 1866
Classmark:  DAR 166: 203
Letter no:  DCP-LETT-5087

To Friedrich Hildebrand   16 May [1866]

Summary

Has forwarded FH’s paper on Fumariaceae to horticultural congress. Comments on its findings.

Discusses forms of Oxalis.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  16 May [1866]
Classmark:  Klaus Groove (private collection) [Sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-5092

To Friedrich Hildebrand   22 July [1866]

Summary

Points out an error in proof-sheets of Hildebrand’s paper on Corydalis cava (Hildebrand 1866d) and suggests some improvements to the English.

Author:  Charles Robert Darwin
Addressee:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:  22 July [1866]
Classmark:  Courtesy of Eilo Hildebrand (photocopy) [Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.]
Letter no:  DCP-LETT-5163F

From Friedrich Hildebrand   24 July 1866

Summary

Assures CD of his belief in descent from his first reading of Origin.

Describes a case of dichogamy.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  24 July 1866
Classmark:  DAR 166: 204; DAR 49: 150
Letter no:  DCP-LETT-5166
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letter (39)
Date
1862 (2)
1863 (4)
1864 (2)
1866 (6)
1867 (2)
1868 (7)
1870 (2)
1871 (1)
1872 (2)
1873 (3)
1875 (3)
1876 (1)
1877 (2)
1879 (1)
1880 (1)
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