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Heckel, Édouard in author 
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From:
Édouard Marie (Édouard) Heckel
To:
Charles Robert Darwin
Date:
23 Sept 1880
Source of text:
DAR 166: 129
Summary:

Supervising French translation of Movement in plants. Why does not CD consider spontaneous movements of flower parts, which EMH sees also as circumnutation?

Contributor:
Darwin Correspondence Project