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To Daniel Oliver 24 July [1862]
Summary
Asa Gray has a self-fertilising Platanthera, like the bee orchid. CD believes problem of the latter will some day be explained. Speculates [Ophrys] arachnites may be crossing form and bee orchid self-fertilising form of the same species.
Cytisus adami is a puzzle.
Pleased if DO will review Orchids [Nat. Hist. Rev. n.s. 2 (1862): 371–6] .
His review of Primula paper was capital. [Nat. Hist. Rev. n.s. 2 (1862): 235–43].
Requests peloric plants.
| Author: | Charles Robert Darwin |
| Addressee: | Daniel Oliver |
| Date: | 24 July [1862] |
| Classmark: | DAR 261.10: 34 (EH 88206017) |
| Letter no: | DCP-LETT-3664 |
To Daniel Oliver 29 [July 1862]
Summary
Cares more for dimorphism now than for orchids. Today saw the three forms of Lythrum, which means there should be 18 different practicable crosses.
| Author: | Charles Robert Darwin |
| Addressee: | Daniel Oliver |
| Date: | 29 [July 1862] |
| Classmark: | DAR 261.10: 55 (EH 88206038) |
| Letter no: | DCP-LETT-3702 |
Document type
| letter | (2) |
Addressee
| Oliver, Daniel | (2) |
