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Darwin Correspondence Project

From W. E. Darwin   [after 19 May 1864]1

– –

Yellow Cowslip Long styled Yellow Cowslip Short styled Red Cowslip

CD annotations

Top of first column: ‘Cowslip’2 underl blue crayon
Top of second column: ‘Cowslip’ underl blue crayon


The date is established by the relationship between this memorandum, the memorandum from W. E. Darwin, [30 April 1864], and the letter from W. E. Darwin, [19 May 1864], in which he said he had received CD’s cowslip and would measure it. See n. 3, below.
In the letter to W. E. Darwin, [14–17 May 1864], and the letter from H. E. Darwin to W. E. Darwin, [18 May 1864], CD had asked that the cowslip pollen also be sketched dry; the pollen in this memorandum appears to be dry compared with the pollen in the memorandum from W. E. Darwin of [30 April 1864]. This sketch was probably filed by CD with the sketch of wet cowslip pollen on which he recorded measurements by William of both dry and wet cowslip pollen, ‘1864–1865’ (see memorandum from W. E. Darwin, [30 April 1864] and n. 3). Possibly these two sketches were also attached to others that have not been found. It is not known who struck through the sketch of red cowslip pollen.


[Outline sketches of pollen from long- and short-styled yellow cowslips and from a red cowslip.]

Letter details

Letter no.
William Erasmus Darwin
Charles Robert Darwin
Sent from
Source of text
DAR 108: 83
Physical description
sketch †

Please cite as

Darwin Correspondence Project, “Letter no. 4369,” accessed on 8 July 2020,

Also published in The Correspondence of Charles Darwin, vol. 12