To Asa Gray 1 July [1862]
Summary
Thanks for notes on Cypripedium and Platanthera hookeri, which is really beautiful and quite a new case.
His son, George, has been observing the insect fertilisation of orchids.
CD has been crossing peloric flowers of Pelargonium, but doubts he will get good results with respect to sterility of hybrids.
Rhexia glandulosa does not appear to be dimorphic. Lythrum is trimorphic.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 1 July [1862] |
| Classmark: | Gray Herbarium of Harvard University (69) |
| Letter no: | DCP-LETT-3634 |
From E. A. Darwin 1 July [1862]
Summary
Asks for a note to the Geological Society, since the museum did not have the book Carlyle wanted.
| Author: | Erasmus Alvey Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 1 July [1862] |
| Classmark: | DAR 105 (ser. 2): 6 |
| Letter no: | DCP-LETT-3635 |
From John Murray [1 July – 23 August 1862]
Summary
Account of Orchids.
| Author: | John Murray |
| Addressee: | Charles Robert Darwin |
| Date: | [1 July – 23 Aug 1862] |
| Classmark: | DAR 171: 525 |
| Letter no: | DCP-LETT-3635F |
Document type
| letter | (3) |
Author
| Darwin, C. R. | (1) |
| Darwin, E. A. | (1) |
| Murray, John (b) | (1) |
Addressee
| Darwin, C. R. | (2) |
| Gray, Asa | (1) |
Correspondent
| Darwin, C. R. | (3) |
| Darwin, E. A. | (1) |
| Gray, Asa | (1) |
| Murray, John (b) | (1) |
Search:
in keywords
1 Items
Moral Nature
Summary
In Descent of Man, Darwin argued that human morality had evolved from the social instincts of animals, especially the bonds of sympathy and love. Darwin gathered observations over many decades on animal behavior: the heroic sacrifices of social insects,…
