Gives some observations on the sensitivity of Drosera species and comments on cases of "dioecio-dimorphism".
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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 some observations on the sensitivity of Drosera species and comments on cases of "dioecio-dimorphism".
Notes several cases of "dioecio-dimorphism" in different genera; feels the discovery of pollen that will act only on the pistil of another flower is most important. Believes CD should next turn his attention to investigating cases of "precocious fertilisation".
Discusses observations of his own and of John Torrey on dimorphism, especially in Amsinckia.
Is trying to find specimens of Houstonia for CD.
Discusses dimorphism and suggests CD investigate Valeriana.
Praises CD’s views with respect to the U. S. Civil War and relations with England. Worsening relations between Britain and U. S.