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To Asa Gray 21 [and 22] January 1878
Summary
Thanks for AG’s review of Forms of flowers [Am. J. Sci. 3d ser. 15 (1878): 67–73].
Thomas Carlyle’s letter about CD was a forgery.
Gives Hermann Müller’s observations on Valeriana dioica.
Is unsure about function of "bloom"; are glaucous plants more or less common in arid parts of U. S.?
Observations on heliotropism.
Thomas Meehan reports that Linum perenne is self-fertile; CD thinks that he has mistaken the species.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 21 and 22 Jan 1878 |
| Classmark: | Archives of the Gray Herbarium, Harvard University (123 and 127) |
| Letter no: | DCP-LETT-11330 |
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 |
To Asa Gray 15 August 1878
Summary
Climbing plants.
Requests seeds of Echinocystis lobata for Hugo de Vries.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 15 Aug 1878 |
| Classmark: | Archives of the Gray Herbarium, Harvard University (124) |
| Letter no: | DCP-LETT-11659 |
