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To Asa Gray 17 February [1878]
Summary
Heterostyly in Linum perenne. Believes the American form may be a distinct species.
Author: | Charles Robert Darwin |
Addressee: | Asa Gray |
Date: | 17 Feb [1878] |
Classmark: | Archives of the Gray Herbarium, Harvard University (129) |
Letter no: | DCP-LETT-11364 |