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 |
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 |
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 |
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 |
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 |
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 |
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 |
From Friedrich Hildebrand 23 October 1866
Summary
Explains dichogamy in Aristolochia. C. K. Sprengel was wrong.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 23 Oct 1866 |
Classmark: | DAR 166: 205 |
Letter no: | DCP-LETT-5254 |
From Friedrich Hildebrand 18 March 1867
Summary
Intends to begin a journal reviewing the botanical literature.
Sends his book [Die Geschlechter-Vertheilung bei den Pflanzen (1867)].
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 18 Mar 1867 |
Classmark: | DAR 166: 206 |
Letter no: | DCP-LETT-5447 |
From Friedrich Hildebrand 2 January 1868
Summary
Reports making graft-hybrid potatoes.
Has found direct action of pollen in Mays [Zea] crosses and apple-trees.
F. Delpino has asked for CD’s address.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 2 Jan 1868 |
Classmark: | DAR 166: 207 |
Letter no: | DCP-LETT-5774 |
From Friedrich Hildebrand 18 May 1868
Summary
Sends graft-hybrid notice.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 18 May 1868 |
Classmark: | DAR 166: 208 |
Letter no: | DCP-LETT-6182 |
From Friedrich Hildebrand 3 July 1868
Summary
Thanks CD for mentioning his Corydalis and Primula experiments in Variation.
Has become Professor of Botany at Freiburg.
Encloses specimen of Corydalis cava.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 3 July 1868 |
Classmark: | DAR 166: 209 |
Letter no: | DCP-LETT-6267 |
From Friedrich Hildebrand 4 November 1868
Summary
Potato graft-hybrid fails to give potatoes.
August Weismann requests Wallace’s address to find out about experiments on butterflies hinted at in Variation.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 4 Nov 1868 |
Classmark: | DAR 166: 210 |
Letter no: | DCP-LETT-6448 |
From Friedrich Hildebrand 16 July 1870
Summary
Sends CD some seeds.
Has been experimenting with Oxalis crosses.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 16 July 1870 |
Classmark: | DAR 166: 211 |
Letter no: | DCP-LETT-7278 |
From Friedrich Hildebrand 5 February 1872
Summary
Praise for Descent.
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 5 Feb 1872 |
Classmark: | DAR 166: 212 |
Letter no: | DCP-LETT-8201 |
From Friedrich Hildebrand 23 May 1873
Summary
Sends results of his observations of cross- and self-fertilisation of Hypecoum grandiflorum and Eschscholzia californica [see Cross and self-fertilisation, pp. 331–2].
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 23 May 1873 |
Classmark: | DAR 76: B179–80 |
Letter no: | DCP-LETT-8920 |