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To Asa Gray   4 July 1858

Summary

Believes that, in Dicentra, Fumaria and Corydalis, flower structures are related directly to visits from bees. Flower stigmas generally are placed in the path of bees.

Has received paper from Wallace on natural selection; has sent abstract of his notions, with Wallace’s paper, to Linnean Society.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  4 July 1858
Classmark:  Archives of the Gray Herbarium, Harvard University (20)
Letter no:  DCP-LETT-2302
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