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From:
Francis Darwin
To:
Charles Robert Darwin
Date:
9 July 1879
Source of text:
DAR 162: 61
Summary:

Pressure paralyses the streaming of protoplasm in the hairs of Tradescantia.

Contributor:
Darwin Correspondence Project
From:
Francis Darwin
To:
Charles Robert Darwin
Date:
[before 31 July 1879]
Source of text:
DAR 274.1: 56
Summary:

Discusses Müller-Thurgau’s work on heliotropism. Will start on Thursday for Heidelberg and Strassburg.

Contributor:
Darwin Correspondence Project