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From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
19 July 1878
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/57)
Summary:

Offers to give CGS a writing machine.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Turner Thiselton-Dyer
Date:
19 July [1878]
Source of text:
Royal Botanic Gardens, Kew (Thiselton-Dyer, W. T., Letters from Charles Darwin 1873–81: 137–40)
Summary:

Federico Delpino on mechanical movements of flower parts of Maranta. CD’s observations on Maranta, and his eagerness to compare cases of movement and irritability in plants.

Contributor:
Darwin Correspondence Project