Gives CD an instance of facts that can be read either way as to whether a plant (Veronica humifusa) is a species or a variety.
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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.
Gives CD an instance of facts that can be read either way as to whether a plant (Veronica humifusa) is a species or a variety.
Asks whether one of Balfour’s students could obtain specimens of Corallorhiza from Ravelrig bog outside Edinburgh for CD.
Distribution of varieties and subspecies.
George Maw’s review of the Origin [Zoologist 19 (1861): 7577–611].