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Hooker, J. D. in correspondent 
1880-1889::1881::10 in date 
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
22 Oct 1881
Source of text:
DAR 95: 538–41
Summary:

Visiting his son Horace.

Studying action of carbonate of ammonia. Finds similar looking Euphorbia root cells react differently.

Intrigued by Dischidia rafflesiana, whose pitchers manufacture manure-water that nourishes adventitious roots. Does JDH know histologist for detailed study?

Julius von Wiesner’s criticism of Movement in plants "vivisects" CD in "a most courteous but awful manner" [Das Bewegungsvermögen der Pflanzen (1881)].

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
30 Oct 1881
Source of text:
DAR 95: 542–3
Summary:

Profuse thanks for plants.

Specifies which euphorbs he wants. Euphorbs’ alternate rows of ammonium carbonate reactive/non-reactive cells are worth more study.

Contributor:
Darwin Correspondence Project
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