Diagrams of short- and long-styled Pulmonaria under magnification.
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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.
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.]
Discusses WED’s observations on polymorphic flowers.
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].
Sends camera outlines of pollen. Thinks the red longstyled ones are more sterile than the yellow.
Doesn't think will be able to find Buckthorn. Sends reference from Revue de Deux Mondes. Is settled at the Bank.
Suggests investments for CD;
discusses the opening of the Blackmore Museum, Salisbury;
mentions Edward Lumb of Buenos Aires, with whom CD stayed in Argentina.
[Outline sketches of pollen from short-styled yellow primrose and from long-styled yellow and red primroses.]
Describes difference between Pulmonaria flowers; wishes to know whether it is general.
Wants to borrow money to buy stock in the bridge over the Itchen.
Ovules of males of two forms [of Rhamnus catharticus?] are abortive and both females have incomplete stamens.
William asks what to do about a complication in settling Aunt Catherine’s estate.
Sends flowers of buckthorn [Rhamnus catharticus] collected on Isle of Wight.
Sends some specimens of three kinds of buckthorn.
Different forms of flowers of Rhamnus.
Writes of dimorphic plants.
Thinks Rhamnus is a case of a dimorphic plant that has become dioecious.
"It [Rhamnus catharticus?] is certainly a case of dimorphic become dioecious."