From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
12 Feb [1862]
Source of text:
Cornford Family Papers (DAR 275: 1)
Summary:
Discusses his new microscope.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
14 Feb [1862]
Source of text:
DAR 210.6: 95
Summary:
Discusses WED’s growing interest in botany; would be grateful for certain observations.
Is much concerned about Horace’s illness.
Has sent Orchids MS to printers
and will work a little at dimorphism.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
26 Apr [1862]
Source of text:
DAR 210.6: 96
Summary:
Thanks WED for eyeglass.
Reports on health of Horace and family matters.
Has finished Orchids.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[8 May 1862]
Source of text:
DAR 210.6: 97
Summary:
Hooker has written about WED’s going to Kew.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[31 May 1862]
Source of text:
DAR 210.6: 98
Summary:
Wants WED to forward dried Malaxis to G. C. Oxenden.
Has been dissecting Viola flowers.
[Letter from Emma Darwin to WED, verso p. 3.]
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
June 1862
Source of text:
DAR 162.1: 89
Summary:
Found 27 flowers of Orchis latifolia and in 16 of them were dead flies of one particular kind.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
13 [June 1862]
Source of text:
DAR 210.6: 99
Summary:
Leonard has scarlet fever; CD is sorry WED is unwell.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
14 June [1862]
Source of text:
Cornford Family Papers (DAR 275: 2)
Summary:
WED’s travel plans; an insect he has observed on Orchis maculata.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
4 [July 1862]
Source of text:
DAR 210.6: 100
Summary:
Reports some observations on the fertilisation of wheat which WED might follow up.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
8 July [1862]
Source of text:
Cornford Family Papers (DAR 275: 3)
Summary:
WED reports on studying the pollen of grass and Valerian through his microscope.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
9 July [1862]
Source of text:
DAR 185: 11
Summary:
Lenny [Leonard Darwin]’s illness.
Polymorphism in valerian and Lythrum salicaria.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
14 July 1862
Source of text:
DAR 110 (ser. 2): 23, 41–2, 81–2
Summary:
Sends observations on Valeriana officinalis.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[after 14 July 1862]
Source of text:
DAR 185: 12
Summary:
Leonard’s illness.
Polymorphism in valerian and Erythraea.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[24 July 1862]
Source of text:
DAR 210.6: 101
Summary:
Discusses dimorphic plants, valerian and Erythraea. Would like to look at them; suggests WED draw up a paper on them.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[1 Aug 1862]
Source of text:
Cornford Family Papers (DAR 275: 13)
Summary:
Suggests sending plant specimens. Asks about visit of Emma and the boys.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
1 Aug 1862
Source of text:
DAR 162: 90
Summary:
WED has been collecting Lythrum plants. Numerical proportions of the three forms.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[2–3 Aug 1862]
Source of text:
DAR 185: 70, DAR 210.6: 102
Summary:
Discusses Lythrum, "a really wonderful case"; asks WED to make observations and collect specimens; sends a diagram which shows what crosses he believes are fertile.
Would like George to watch bees visiting the flowers; wants some pods from different forms to compare shapes and count seeds.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
2 Aug [1862]
Source of text:
DAR 162: 91
Summary:
Sends specimens of the three forms of Lythrum. Remarks on the numerical proportions of different forms.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
5 Aug 1862
Source of text:
DAR 27.2 (ser. 2): 32 bis, DAR 162: 92
Summary:
Has read CD’s long letter on Lythrum and agrees with it. Is examining the pollen of the different types.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[2–3 Sept 1862]
Source of text:
DAR 210.6: 103
Summary:
Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]
Contributor:
Darwin Correspondence Project
