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 |
Matches: 1 hit
- … n. ; see the second enclosure to the letter to H. G. Bronn, 30 June [1862] ). He later published them in ‘Fertilization of orchids’ , p. 142 ( Collected papers 2: 139–40). The records kept by CD of George’s observations on insects visiting H. monorchis , dated 22–7 June 1862, are in DAR 70: 32–6 (see also letter from Frederick Smith, …
Document type
| letter | (1) |
Author
| Darwin, C. R. | (1) |
Addressee
| Gray, Asa | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Gray, Asa |
