[Outline sketches of pollen from long- and short-styled yellow cowslips and from a red cowslip.]
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
[Outline sketches of pollen from long- and short-styled yellow cowslips and from a red cowslip.]
Diagrams of short- and long-styled Pulmonaria under magnification.
Observations on style length of 150 flowers of Pulmonaria [angustifolia]. [See Forms of flowers, p. 105.]
Sends Pulmonaria anthers, with measurements of styles and pollen counts.
Sends specimens of Menyanthes with observations and drawings [see Forms of flowers, p. 115].
Clarifies his letter of 18 May [4500].
Encloses drawings of Menyanthes and Pulmonaria anthers.