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From Richard Spruce   [1865–77]


Notes on various instances of dimorphic stamens.

Author:  Richard Spruce
Addressee:  Charles Robert Darwin
Date:  [1865–77]
Classmark:  DAR 109: B119
Letter no:  DCP-LETT-4372

From Richard Spruce   [before 1 April 1869]


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.

Author:  Richard Spruce
Addressee:  Charles Robert Darwin
Date:  [before 1 Apr 1869]
Classmark:  DAR 177: 241
Letter no:  DCP-LETT-6690

From Richard Spruce   15 April 1869


Describes the floral structure and fertilisation of some melastomes;

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

Author:  Richard Spruce
Addressee:  Charles Robert Darwin
Date:  15 Apr 1869
Classmark:  DAR 177: 242
Letter no:  DCP-LETT-6697
Document type
letter (3)
Darwin, C. R.[X]
Darwin, C. R.[X]
Spruce, Richard[X]
1865 (1)
1869 (2)