To Asa Gray 25 February [1864]
Summary
Has not worked for six months due to illness.
Has been looking at climbing plants.
Hermann Crüger’s paper shows that CD was right about Catasetum pollination. Crüger’s account of pollination of Coryanthes "beats everything".
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 25 Feb [1864] |
| Classmark: | Gray Herbarium of Harvard University (80) |
| Letter no: | DCP-LETT-4415 |
To Asa Gray 28 May [1864]
Summary
Is slowly writing Lythrum paper [Collected papers 2: 106–31].
Thanks for [Charles?] Wright’s observations on orchids
– could he note what attracts insects to Begonia and Melastoma? H. Crüger, who was going to observe Melastomataceae, has died.
Describes the climbing habits of Bignonia capreolata and Eccremocarpus scaber.
How does AG know the perfect flowers of Voandzeia are quite sterile?
He has a case of dimorphism in holly; asks AG to report on American hollies.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 28 May [1864] |
| Classmark: | Gray Herbarium of Harvard University (79) |
| Letter no: | DCP-LETT-4511 |
To Asa Gray 13 September [1864]
Summary
Has finished Climbing plants;
resuming work on Variation.
Sends abstract of John Scott’s paper [see 4332].
Has received review of Herbert Spencer but cannot believe AG wrote it unless he has muddled his brains with metaphysics.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 13 Sept [1864] |
| Classmark: | Gray Herbarium of Harvard University (89) |
| Letter no: | DCP-LETT-4611 |
To Asa Gray 29 October [1864]
Summary
Sends question [missing] for an ornithologist.
Is plodding on at Variation.
Has added to Climbing plants.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 29 Oct [1864] |
| Classmark: | Gray Herbarium of Harvard University (88) |
| Letter no: | DCP-LETT-4647 |
