From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[1 May 1864]
Source of text:
DAR 210.6: 122
Summary:
Writes of dimorphic plants.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
3 May [1864]
Source of text:
DAR 97: A8, A10
Summary:
Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
5 May [1864]
Source of text:
DAR 185: 13
Summary:
Experiment instructions.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
6 May 1864
Source of text:
DAR 110: A75–6
Summary:
Diagrams of short- and long-styled Pulmonaria under magnification.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
12 May [1864]
Source of text:
DAR 110: A66–7
Summary:
Observations on style length of 150 flowers of Pulmonaria [angustifolia]. [See Forms of flowers, p. 105.]
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[14–17 May 1864]
Source of text:
DAR 97: A3
Summary:
Instructions on measuring pollen of dimorphic plants.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
14 May [1864]
Source of text:
DAR 97: A1–2, A4–5
Summary:
Discusses WED’s observations on polymorphic flowers.
Contributor:
Darwin Correspondence Project
Text Online
From:
Darwin, Emma
To:
Darwin, W. E.
Date:
[c. 17 May 1864]
Source of text:
DAR 219.1: 80
Summary:
No summary available.
Contributor:
Darwin Family Letters
From:
Emma Wedgwood; Emma Darwin
To:
William Erasmus Darwin
Date:
[17 May 1864]
Source of text:
DAR 219.1: 80
Summary:
CD says Meneanthes is now in flower.
Contributor:
Darwin Correspondence Project
From:
Henrietta Emma Darwin; Henrietta Emma Litchfield
To:
William Erasmus Darwin
Date:
[18 May 1864]
Source of text:
DAR 210.6: 118
Summary:
CD would like to see Rhamnus, as an American species is dimorphic.
Sends red cowslip pollen to be measured.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
18 May [1864]
Source of text:
DAR 110: A83–6, A94
Summary:
Sends Pulmonaria anthers, with measurements of styles and pollen counts.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[19 May 1864]
Source of text:
DAR 110: B43–7
Summary:
Sends specimens of Menyanthes with observations and drawings [see Forms of flowers, p. 115].
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[19 May 1864]
Source of text:
DAR 210.6: 186
Summary:
Mentions WED’s extraordinary discovery of some pollen-grains of different sizes. The observations must be followed up.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[after 19 May 1864]
Source of text:
DAR 108: 83
Summary:
[Outline sketches of pollen from long- and short-styled yellow cowslips and from a red cowslip.]
Contributor:
Darwin Correspondence Project
From:
Emma Wedgwood; Emma Darwin; Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[20 May 1864]
Source of text:
DAR 97: A7
Summary:
CD much obliged for specimen and drawings.
Contributor:
Darwin Correspondence Project
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[20 May 1864]
Source of text:
DAR 110: A82, A87–8
Summary:
Clarifies his letter of 18 May [4500].
Contributor:
Darwin Correspondence Project
Text Online
From:
Darwin, Emma
To:
Darwin, W. E.
Date:
[22 May 1864]
Source of text:
DAR 219.1: 81
Summary:
No summary available.
Contributor:
Darwin Family Letters
From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
24 May 1864
Source of text:
DAR 110: A89–93, B48–50
Summary:
Encloses drawings of Menyanthes and Pulmonaria anthers.
Contributor:
Darwin Correspondence Project