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From:
Charles Robert Darwin
To:
Asa Gray
Date:
20 Dec 1876
Source of text:
Archives of the Gray Herbarium of Harvard University (116)
Summary:

Thanks for information about Hottonia.

Has found dimorphism in Forsythia.

Considers AG’s arguments on different terms for dimorphism, but cannot change to using the proposed new term [see 10699].

Contributor:
Darwin Correspondence Project