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Darwin, Francis in correspondent 
Rogers, J. I. in author 
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From:
John Innes Rogers
To:
Francis Darwin
Date:
25 Mar 1878
Source of text:
DAR 176: 196
Summary:

Suggests movements of sensitive plants may protect against insects.

Contributor:
Darwin Correspondence Project
From:
John Innes Rogers
To:
Francis Darwin
Date:
29 Mar 1878
Source of text:
DAR 176: 197
Summary:

JIR’s "theory" of sensitive plants published in an anonymous letter he sent to the Field 2½ years ago. Mechanisms for protection against insects in sensitive plants.

Contributor:
Darwin Correspondence Project
From:
John Innes Rogers
To:
Francis Darwin
Date:
6 June 1878
Source of text:
DAR 176: 198
Summary:

Suggests sensitive plants that close at night would be protected from nocturnal-feeding snails. JIR’s brother in India says snails occur there in abundance.

Contributor:
Darwin Correspondence Project
From:
John Innes Rogers
To:
Francis Darwin
Date:
2 July 1878
Source of text:
DAR 176: 199
Summary:

JIR’s brother writes from India in support of the protective function of plant sensitivity.

Contributor:
Darwin Correspondence Project