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DCP-LETT-4928

From:
George Henslow
To:
Charles Robert Darwin
Date:
1 Nov 1865
Source of text:
DAR 166: 150
Summary:

Has made observations on pollination mechanism in Medicago sativa [J. Linn. Soc. Lond. (Bot.) 9 (1867): 327–9], which his brother-in-law [J. D. Hooker] would accept. Wants to check that CD has not already made them.

Also sends interpretation of Salvia.

His observations come from following CD’s generalisation in Origin [p. 79] on necessity of out-crossing.

Contributor:
Darwin Correspondence Project

DCP-LETT-4929F

From:
Charles Robert Darwin
To:
George Henslow
Date:
[2–5 Nov 1865]
Source of text:
Journal of the Linnean Society ( Botany ) 9 (1867): 328 n.
Summary:

Reports the results of an experiment to compare the weight of seeds produced in plants of [Medicago sativa] by self-pollination and by insect pollination.

Contributor:
Darwin Correspondence Project

DCP-LETT-4931

From:
George Henslow
To:
Charles Robert Darwin
Date:
6 Nov 1865
Source of text:
DAR 166: 151
Summary:

Pleased CD confirms his observations on Salvia.

Spring action of Medicago stamens described.

Contributor:
Darwin Correspondence Project
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