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Darwin, C. R. in correspondent 
Spruce, Richard in correspondent 
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DCP-LETT-6690

From:
Richard Spruce
To:
Charles Robert Darwin
Date:
[before 1 Apr 1869]
Source of text:
DAR 177: 241
Summary:

Sends CD a paper ["Ant-agency in plant structure", published in Spruce Notes of a botanist on the Amazon and Andes, ed. A. R. Wallace (1908)] on plant structures he believes are the work of insects; asks him to forward it to the Linnean Society [read 15 Apr 1869].

Writes of his support for the Origin, before which he had been much concerned by the delimitation of so-called species.

Contributor:
Darwin Correspondence Project

DCP-LETT-6691

From:
Charles Robert Darwin
To:
Richard Spruce
Date:
1 Apr 1869
Source of text:
Spruce 1908 , 2: 385
Summary:

RS’s facts are remarkable. A year or two ago CD would not have believed ants could produce an inherited effect, but he has "lately come to believe rather more in inherited mutilations". However, CD is not satisfied that the sacs are inherited and urges RS to produce any other evidence he might have.

Contributor:
Darwin Correspondence Project

DCP-LETT-6697

From:
Richard Spruce
To:
Charles Robert Darwin
Date:
15 Apr 1869
Source of text:
DAR 177: 242
Summary:

Describes the floral structure and fertilisation of some melastomes;

discusses the direct agency of insects in modifying the structure of flowers.

Contributor:
Darwin Correspondence Project

DCP-LETT-4372

From:
Richard Spruce
To:
Charles Robert Darwin
Date:
[1876–7]
Source of text:
DAR 109: B119
Summary:

Notes on various instances of dimorphic stamens.

Contributor:
Darwin Correspondence Project
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