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Oliver, Daniel in correspondent 
1860-1869::1863::04 in date 
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DCP-LETT-4083

From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
[12 Apr 1863]
Source of text:
DAR 261.10: 46 (EH 88206029)
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?

Contributor:
Darwin Correspondence Project

DCP-LETT-4095

From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
[after 14 Apr 1863]
Source of text:
DAR 147: 214
Summary:

Thanks for information on Primula ovules. From what DO says the pollen-tubes ought to find their way to the micropyle.

Contributor:
Darwin Correspondence Project

DCP-LETT-4093

From:
Daniel Oliver
To:
Charles Robert Darwin
Date:
14 Apr 1863
Source of text:
DAR 173: 21
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].

Contributor:
Darwin Correspondence Project
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