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To Asa Gray   4 August [1863]

Summary

Anticipated AG’s attitude on design in orchids. Does he not think that the variations that gave rise to fancy pigeon varieties were accidental?

Has been working hard at Lythrum

and spontaneous movements of tendrils.

Defends Drosera as a "sagacious animal" but does not know whether he will ever publish on it.

Comments on political situation in U. S.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  4 Aug [1863]
Classmark:  Gray Herbarium of Harvard University (83)
Letter no:  DCP-LETT-4262

To Alphonse de Candolle   4 August [1863]

Summary

Asks AdeC to observe two species of Lythrum to see whether they are dimorphic as stated by Vaucher. CD can find no trace of this in dried specimens he has examined; "if either species present any difference in length of pistil and stamens, it is most likely that three forms should be presented".

Author:  Charles Robert Darwin
Addressee:  Alphonse de Candolle
Date:  4 Aug [1863]
Classmark:  Archives de la famille de Candolle (private collection)
Letter no:  DCP-LETT-4263
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