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To Daniel Oliver [12 April 1863]
Summary
Working on monstrous Primula. Is ovule anatropous as Asa Gray says, or amphitropous? Does he know natural path of pollen tubes in Primula. Can the tube enter the ovule by the chalaza?
| Author: | Charles Robert Darwin |
| Addressee: | Daniel Oliver |
| Date: | [12 Apr 1863] |
| Classmark: | DAR 261.10: 46 (EH 88206029) |
| Letter no: | DCP-LETT-4083 |
From Daniel Oliver 14 April 1863
Summary
The ovule of Primula is amphitropous or what J. Georg Agardh calls apotropo-amphitropous [see Theoria systematis plantarum (1858), tab. 24, fig. 5–6].
| Author: | Daniel Oliver |
| Addressee: | Charles Robert Darwin |
| Date: | 14 Apr 1863 |
| Classmark: | DAR 173: 21 |
| Letter no: | DCP-LETT-4093 |
To Daniel Oliver [after 14 April 1863]
Summary
Thanks for information on Primula ovules. From what DO says the pollen-tubes ought to find their way to the micropyle.
| Author: | Charles Robert Darwin |
| Addressee: | Daniel Oliver |
| Date: | [after 14 Apr 1863] |
| Classmark: | DAR 147: 214 |
| Letter no: | DCP-LETT-4095 |
Author
| Darwin, C. R. | (2) |
| Oliver, Daniel | (1) |
Addressee
| Oliver, Daniel | (2) |
| Darwin, C. R. | (1) |
Correspondent
| Darwin, C. R. | (3) |
| Oliver, Daniel |
