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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