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From:
Charles Robert Darwin
To:
William Chester Tait
Date:
17 July [1869]
Source of text:
DAR 147: 545; Sotheby’s (dealers) (19 July 1990)
Summary:

Discusses need for cross-fertilisation in Geranium.

Hooker begins to doubt whether Drosophyllum so closely allied to Drosera.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Albany Hancock
Date:
17 July [1869]
Source of text:
E. C. Hodgkin (private collection)
Summary:

Ernst Haeckel is working on calcareous sponges. Does AH have any British specimens that he can spare? [See 6842.]

Contributor:
Darwin Correspondence Project