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Groves, Henry in correspondent 
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From:
Charles Robert Darwin
To:
Henry Groves
Date:
27 Mar 1882
Source of text:
The British Library (Add MS 46917: 65)
Summary:

Thanks HG for kind offer. CD is not well enough to examine the Utricularia, but will try to look at the Nitella.

Contributor:
Darwin Correspondence Project
From:
Henry Groves
To:
Charles Robert Darwin
Date:
1 Apr 1882
Source of text:
DAR 165: 236
Summary:

Has forwarded some plants of Nitella opaca. Has observed their struggle for existence for several years in the gravel-pit pools at Mitcham.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Henry Groves
Date:
3 Apr 1882
Source of text:
The British Library (Add MS 46917: 66)
Summary:

Thanks HG for specimen of Mitella.

CD has tried effects of carbonate of ammonia on chlorophyll grains, but his observations are hardly trustworthy. He finds stooping over the microscope affects his heart.

Contributor:
Darwin Correspondence Project