Observations on Platanthera.
Possibility of trimorphism in Mertensia.
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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.
Observations on Platanthera.
Possibility of trimorphism in Mertensia.
Discusses dimorphic plants and the occurrence of "precocious fertilisation" in the bud.
Gives some comments on design in nature in the light of the translator’s commentary in the French edition of the Origin.
Reports the recent events of the Civil War.
[Note on verso of envelope:] Utricularia vulgaris is "about as neatly contrived for cross-fertilisation by insects as almost any orchid".
Encloses stamps for Leonard Darwin.
Is observing Gymnadenia tridentata.
Has received six copies of Orchids.