From Mary Treat 22 October 1874
Summary
Observation on the limitations on the power of digestion in Dionaea.
| Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
| Addressee: | Charles Robert Darwin |
| Date: | 22 Oct 1874 |
| Classmark: | DAR 58.1: 108 |
| Letter no: | DCP-LETT-9692 |
To Mary Treat 22 June 1874
Summary
Will soon publish on insectivorous plants; asks for a particular observation on Dionaea.
| Author: | Charles Robert Darwin |
| Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
| Date: | 22 June 1874 |
| Classmark: | Amy Nagashima (private collection) |
| Letter no: | DCP-LETT-9505 |
From Mary Treat 2 December 1874
Summary
Observations on the insects captured by Utricularia.
| Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
| Addressee: | Charles Robert Darwin |
| Date: | 2 Dec 1874 |
| Classmark: | DAR 58.1: 109–10 |
| Letter no: | DCP-LETT-9740 |
From Asa Gray 11 December 1874
Summary
Cannot help with Pinguicula or Utricularia. Mrs Mary Treat is studying Utricularia.
Forwards his short piece on duration of varieties [New York Tribune 8 Dec 1874; Am. J. Sci. 3d ser. 9 (1875): 109–14].
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 11 Dec 1874 |
| Classmark: | DAR 165: 187 |
| Letter no: | DCP-LETT-9753 |
To Asa Gray 25 December 1874
Summary
Read AG’s article [see 9753] on longevity and duration of varieties with great interest.
Death of Mrs Hooker.
Hopes Insectivorous plants will be out in the spring.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 25 Dec 1874 |
| Classmark: | Archives of the Gray Herbarium, Harvard University (110) |
| Letter no: | DCP-LETT-9779 |
Matches: 1 hit
- … 1874 . There is a lightly annotated copy of Gray’s article ( A. Gray 1874e ) in DAR 76: B112. In the article, Gray suggested that varieties propagated by cuttings, grafts, and other non-sexual means were theoretically likely to ‘wear out’ because they were not crossed. See letter from Mary Treat, …
Document type
| letter | (5) |
Author
| Darwin, C. R. | (2) |
| Davis, Mary | (2) |
| Treat, Mary | (2) |
| Gray, Asa | (1) |
Addressee
| Darwin, C. R. | (3) |
| Davis, Mary | (1) |
| Gray, Asa | (1) |
| Treat, Mary | (1) |
Correspondent
| Darwin, C. R. | (5) |
| Davis, Mary | (3) |
| Treat, Mary | (3) |
| Gray, Asa | (2) |
Date
| 1874 | (5) |
