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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[2–6 Apr 1845]
Source of text:
DAR 104: 219–20
Summary:

A Tasmanian Cyttaria is same species as CD’s Fuegian fungus. Did the species originate on the beeches of Fuegia or of Tasmania?

JDH gives interpretation of Vestiges.

John McCulloch, J. F. Schouw, and Lamarck on the species question.

Contributor:
Darwin Correspondence Project
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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[28 Apr 1845]
Source of text:
DAR 100: 48
Summary:

First part of "Galapagos flora" ["Plants of the Galapagos Archipelago", Trans. Linn. Soc. Lond. 20 (1851): 163–233] finished but not printed.

Details of distribution of Galapagos flora. Peculiarity of island floras.

Leaves for Edinburgh on Wednesday.

Contributor:
Darwin Correspondence Project
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From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
8 Apr 1845
Source of text:
DAR 39: 60–1b
Summary:

Discusses table of Atlantic dust samples. Thinks dust came from South America.

Discusses Patagonian tuff samples.

Answers CD’s query about material from Pampas. Believes deposit made in brackish water.

Criticises account of Atlantic dust in F. J. F. Meyen [Reise um die Erde (1834–5)].

Contributor:
Darwin Correspondence Project