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Darwin Correspondence Project

Search: contains "Darwin, C. R", date is "1861", author is "Gray, Asa"

Darwin Correspondence Project
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Darwin and C and R in keywords [X]
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From Asa Gray   [27 and 29 August] and 2 September [1861]

Summary

Gives some observations on the sensitivity of Drosera species and comments on cases of "dioecio-dimorphism".

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  27 and 29 Aug 1861 and 2 Sept 1861
Classmark:  DAR 110 (ser. 2): 76
Letter no:  DCP-LETT-3242

Matches: 1 hit

From Asa Gray   9 November 1861

Summary

Discusses observations of his own and of John Torrey on dimorphism, especially in Amsinckia.

Is trying to find specimens of Houstonia for CD.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  9 Nov 1861
Classmark:  DAR 110 (ser. 2): 63–4
Letter no:  DCP-LETT-3313

Matches: 1 hit

From Asa Gray   11 October 1861

Summary

Notes several cases of "dioecio-dimorphism" in different genera; feels the discovery of pollen that will act only on the pistil of another flower is most important. Believes CD should next turn his attention to investigating cases of "precocious fertilisation".

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  11 Oct 1861
Classmark:  DAR 109: 82–3, DAR 110 (ser. 2): 117, DAR 111: 83
Letter no:  DCP-LETT-3282

Matches: 1 hit

From Asa Gray   31 December 1861

Summary

Discusses dimorphism and suggests CD investigate Valeriana.

Praises CD’s views with respect to the U. S. Civil War and relations with England. Worsening relations between Britain and U. S.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  31 Dec 1861
Classmark:  DAR 110 (ser. 2): 65, DAR 165: 104–105
Letter no:  DCP-LETT-3354

Matches: 1 hit

Document type
letter (4)
Author
Gray, Asa[X]
Addressee
Correspondent
Date
1861
08 (1)
10 (1)
11 (1)
12 (1)