Search: Gray, Asa in correspondent 
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DCP-LETT-1674

From:
Charles Robert Darwin
To:
Asa Gray
Date:
25 Apr [1855]
Source of text:
Archives of the Gray Herbarium, Harvard University (1)
Summary:

Is collecting facts on variation; questions AG on the alpine flora of the U. S.

Sends a list of plants from AG’s Manual of botany [1848] and asks him to append the ranges of the species.

Contributor:
Darwin Correspondence Project

DCP-LETT-1685

From:
Asa Gray
To:
Charles Robert Darwin
Date:
22 May 1855
Source of text:
DAR 106: D1–D2
Summary:

Has filled up CD’s paper [see 1674].

Distribution and relationships of alpine flora in U. S.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1695

From:
Charles Robert Darwin
To:
Asa Gray
Date:
8 June [1855]
Source of text:
Archives of the Gray Herbarium, Harvard University (2)
Summary:

Suggests AG append ranges to the species in the new edition of his Manual.

Is interested in comparing the flora of U. S. with that of Britain and wishes to know the proportions to the whole of the great leading families and the numbers of species within genera. Would welcome information on which species AG considers to be "close" in the U. S.

Contributor:
Darwin Correspondence Project

DCP-LETT-1707

From:
Asa Gray
To:
Charles Robert Darwin
Date:
30 June 1855
Source of text:
DAR 165: 92a
Summary:

Sends a list of "close" species from his Manual of botany.

Hopes Hooker or CD will write an essay on species. Discusses some of the difficulties of defining botanical species.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1725

From:
Charles Robert Darwin
To:
Asa Gray
Date:
21 July [1855]
Source of text:
Archives of the Gray Herbarium, Harvard University (3)
Summary:

Geographical distribution. "Close" species. Hopes AG will write an essay on species.

Contributor:
Darwin Correspondence Project

DCP-LETT-1749

From:
Charles Robert Darwin
To:
Asa Gray
Date:
24 Aug [1855]
Source of text:
Archives of the Gray Herbarium, Harvard University (10)
Summary:

"Close" species in large and small genera.

Alphonse de Candolle on geographical distribution [Géographie botanique raisonnée (1855)].

Species variability.

Contributor:
Darwin Correspondence Project
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