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To Daniel Oliver   [12 April 1863]


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

To Daniel Oliver   [after 14 April 1863]


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
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