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DCP-LETT-12134

From:
Francis Darwin
To:
Charles Robert Darwin
Date:
4 July 1879
Source of text:
DAR 209.3: 334
Summary:

Heliotropism nomenclature. Apheliotropic mustard roots grow more quickly in dark. Measures growth with microscope as S. H. Vines did in mould. Studying air roots.

FD’s and Stahl’s negative opinion of Sachs.

Contributor:
Darwin Correspondence Project

DCP-LETT-12296F

From:
Francis Darwin
To:
Charles Robert Darwin
Date:
[6 July 1879]
Source of text:
DAR 274.1: 61
Summary:

Describes bean experiments. Will tell Emma Darwin to tell Elizabeth Darwin that he has written to the Riffel.

Contributor:
Darwin Correspondence Project

DCP-LETT-12142

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

DCP-LETT-12177F

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
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