To Asa Gray 15 April [1867]
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.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 15 Apr [1867] |
| Classmark: | Gray Herbarium of Harvard University (97) |
| Letter no: | DCP-LETT-5442 |
To Asa Gray 8 August [1867]
Summary
Thanks AG for sending W. M. Canby’s letter on Dionaea. Although already familiar with the facts concerning the secretions, the letter "fires me up to complete and publish on Drosera, Dionæa, etc."
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 8 Aug [1867] |
| Classmark: | J. L. Gray ed. 1893, 2: 557 |
| Letter no: | DCP-LETT-5602A |
To Asa Gray 16 October [1867]
Summary
Sends sheets of first volume of Variation.
Transport of seeds in locust dung.
Pangenesis will be called "a mad dream".
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 16 Oct [1867] |
| Classmark: | Gray Herbarium of Harvard University (95) |
| Letter no: | DCP-LETT-5649 |
