Instructs EN to copy and post letter [2922].
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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.
Instructs EN to copy and post letter [2922].
Admires DO’s correlation of spiny tree species and dry hot climate. CD suggests that spines, like strange aroma of desert plants, protect against browsing where there are few plants.
Fragrance and unisexuality.
Dimorphism in Viola tricolor.