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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.
Glad to hear of the plant; CD instructs WED to make further observations. If it is a good case he will insist on WED’s sending a communication to the Linnean Society.
Discusses dimorphic plants.
Thanks WED for his botanical specimens and observations.
Discusses Corydalis and the fertilisation of Fumariaceae.
Would like WED to send a specimen of the unusual plant organ of which he sent a drawing.
Relates events at Down;
asks WED to make some observations on Lythrum.
His present hobby-horse is tendrils.
CD’s health.
Family and local news.
CD wants WED to make some measurements on mid-styled [Primula sinensis] plants.
Describes difference between Pulmonaria flowers; wishes to know whether it is general.
Writes of dimorphic plants.
Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.
Experiment instructions.
Instructions on measuring pollen of dimorphic plants.
Discusses WED’s observations on polymorphic flowers.
CD says Meneanthes is now in flower.
CD would like to see Rhamnus, as an American species is dimorphic.
Sends red cowslip pollen to be measured.
Mentions WED’s extraordinary discovery of some pollen-grains of different sizes. The observations must be followed up.
CD much obliged for specimen and drawings.
Different forms of flowers of Rhamnus.
Polymorphism in Rhamnus.
Polymorphic flowers of Rhamnus [see Forms of flowers, p. 294].
