From:
Charles Robert Darwin
To:
Asa Gray
Date:
15 Apr [1867]
Source of text:
Gray Herbarium of Harvard University (97)
Summary:
Thanks AG for his trouble about expression queries; wishes he had thought earlier of having them printed.
Is "plodding on" correcting Variation
and getting "a little amusement" from plant experiments. Oxalis is trimorphic like Lythrum.
Is continuing his experiments on seedling vigour.
Has heard hybrid potatoes can be produced by joining halves of different tubers.
Contributor:
Darwin Correspondence Project