To Asa Gray 11 August [1858]
Summary
Species migration since the Pliocene. Effect of the glacial epoch. Present geographical distribution, especially similarities of mountain floras, explained by such migration; mountain summits as remnants of a once continuous flora and fauna.
Cross-fertilisation in Fumariaceae.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 11 Aug [1858] |
| Classmark: | Archives of the Gray Herbarium, Harvard University (42 and 9a) |
| Letter no: | DCP-LETT-2321 |
Matches: 4 hits
- … To Asa Gray 11 August [1858] …
- … Gray Herbarium, Harvard University (42 and 9a) Charles Robert Darwin Shanklin 11 Aug [1858] Asa …
- … Asa Gray, 16 February 1857 . For Gray’s use of the information given in this letter, see letter to J. D. Hooker, 11 …
- … Gray, Asa. 1858–9. Diagnostic characters of new species of phænogamous plants, collected in Japan by Charles Wright, botanist of the US North Pacific Exploring Expedition … With observations upon the relations of the Japanese flora to that of North America, and of other parts of the northern temperate zone. [Read 14 December 1858 and 11 …
