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Darwin, C. R. in correspondent 
Hildebrand, Friedrich in correspondent 
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From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
14 July 1862
Source of text:
DAR 166: 199
Summary:

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

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
17 July [1862]
Source of text:
Courtesy of Eilo Hildebrand (photocopy) (Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.)
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.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
16 July 1863
Source of text:
DAR 166: 200
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].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
28 July [1863]
Source of text:
Courtesy of Eilo Hildebrand (photocopy) (Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.)
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].

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
10 Nov 1863
Source of text:
DAR 166: 201
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.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
21 June 1864
Source of text:
DAR 166: 202
Summary:

Studying insect pollination in Salvia

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

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
25 June [1864]
Source of text:
Courtesy of Eilo Hildebrand (photocopy) (Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.)
Summary:

Thanks for orchids.

Recovering from nine months’ illness.

Discusses fertilisation of Pulmonaria.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
20 Apr [1866]
Source of text:
Morristown National Historical Park (Lloyd W. Smith MS 698)
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 sylvatica and saw what FH has described.

Has not yet read the paper on Salvia.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
11 May 1866
Source of text:
DAR 166: 203
Summary:

Sending his paper on tristyly in Oxalis.

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

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
16 May [1866]
Source of text:
Klaus Groove (private collection); sold by Venator and Hanstein, Cologne (dealers), 16 March 2018
Summary:

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

Discusses forms of Oxalis.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
22 July [1866]
Source of text:
Courtesy of Eilo Hildebrand (photocopy) (Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.)
Summary:

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

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
24 July 1866
Source of text:
DAR 166: 204; DAR 49: 150
Summary:

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

Describes a case of dichogamy.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
23 Oct 1866
Source of text:
DAR 166: 205
Summary:

Explains dichogamy in Aristolochia. C. K. Sprengel was wrong.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
18 Mar 1867
Source of text:
DAR 166: 206
Summary:

Intends to begin a journal reviewing the botanical literature.

Sends his book [Die Geschlechter-Vertheilung bei den Pflanzen (1867)].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
20 Mar [1867]
Source of text:
Courtesy of Eilo Hildebrand (photocopy) (Original, previously owned by Klaus Groove, sold by Venator and Hanstein, Cologne (dealers), 16 March 2018.)
Summary:

Thanks for two copies of Hildebrand’s monograph on plant sexuality (Hildebrand 1867a).

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
2 Jan 1868
Source of text:
DAR 166: 207
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.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Hermann Gustav (Friedrich) Hildebrand
Date:
5 Jan [1868]
Source of text:
Klaus Groove (private collection); sold by Venator and Hanstein, Cologne (dealers), 16 March 2018)
Summary:

Congratulates FH on graft-hybrid of potato. Importance of FH’s discovery to be discussed in Variation [2d ed., 1: 420].

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
18 May 1868
Source of text:
DAR 166: 208
Summary:

Sends graft-hybrid notice.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
3 July 1868
Source of text:
DAR 166: 209
Summary:

Thanks CD for mentioning his Corydalis and Primula experiments in Variation.

Has become Professor of Botany at Freiburg.

Encloses specimen of Corydalis cava.

Contributor:
Darwin Correspondence Project
From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
4 Nov 1868
Source of text:
DAR 166: 210
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.

Contributor:
Darwin Correspondence Project