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Darwin, C. R. in correspondent 
Wedgwood, Sophy in correspondent 
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From:
Charles Robert Darwin
To:
Katherine Elizabeth Sophy (Sophy) Wedgwood; Margaret Susan Wedgwood; Margaret Susan Vaughan Williams; Lucy Caroline Wedgwood; Lucy Caroline Harrison
Date:
4 [Aug 1862]
Source of text:
DAR 185: 127
Summary:

Their enumeration [of forms of Lythrum?] is invaluable. He will write later to explain what he is trying to prove about Lythrum through laborious crosses.

Asks for flowers of both forms of Hottonia to measure pollen and compare stigmas.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Katherine Elizabeth Sophy (Sophy) Wedgwood
Date:
24 Mar [1878-80]
Source of text:
Cambridge University Library (MS Add. 4251: 333)
Summary:

Asks her to observe seedlings of Neottia breaking the surface to see whether the flower stems grow straight up or form arches, and whether they secrete water that softens the surrounding ground.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Katherine Elizabeth Sophy (Sophy) Wedgwood
Date:
8 Oct [1880]
Source of text:
Cambridge University Library (MS Add 4251: 335)
Summary:

Asks her to look for worm-castings in heath. Thinks heath conditions may be unfavourable. CD is sure Lucy would look with her, from her well-known affection for worms. Asks what sort of lantern Lucy used.

Contributor:
Darwin Correspondence Project
From:
Katherine Elizabeth Sophy (Sophy) Wedgwood
To:
Charles Robert Darwin
Date:
15 Oct [1880]
Source of text:
DAR 181: 69
Summary:

On worms and worm-castings.

Contributor:
Darwin Correspondence Project