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From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
4 Jan 1882
Source of text:
The British Library (Loan MS 10: 58)
Summary:

On F. M. Balfour.

Effects of ammonium carbonate on roots.

FM’s Pontederia case is very curious.

Contributor:
Darwin Correspondence Project
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:
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