Orchid anatomy.
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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.
Orchid anatomy.
Orchid homologies.
Sensitive responses in Catasetum.
Acropera becoming clear.
T. F. Jamieson impressed by JDH’s work on Himalayan glaciers.
CD is sending an orchid flower; asks JL to identify it.
Also asks if JL can spare a dried flower of another orchid (name forgotten) [which CD describes] so that he can try to trace its ducts or spiral vessels.
List of references on orchid structure and fertilisation.
Thanks for "multitudinous" references.
Thanks Hooker for orchids.
Reports events at Down;
has been doing good work on the homologies of orchids.
Asks JDH to look at movement of labellum in an orchid.
Rostellum of Masdevallia.
JDH’s Fernando Po case.
Madeiran fauna pre-glacial according to Oswald Heer.
Orchid anatomy: homologies of column vascularisation.
Primula paper sent to Linnean Society.
Refers CD to a paper which he ought to know: Ch. Fermond, "Faits pour servir à l’histoire générale de la fécondation chez les végétaux", Recueil des travaux de la Société d’émulation pour les sciences pharmaceutiques 3 (1859).
Thanks GB for arranging for his paper ["Two forms of Primula", Collected papers 2: 45–63] and for his photograph.
Discusses observations of his own and of John Torrey on dimorphism, especially in Amsinckia.
Is trying to find specimens of Houstonia for CD.
CD fears he has misinterpreted vascularisation of butterfly orchid flowers.
Writes at Lindley’s suggestion to ask whether DN can send several orchid specimens. Describes his work in preparation for Orchids.
Returns a letter from a Mr Walsh – "a clear-headed man on my side". What he says about sea trout in lochs would make a good case for CD if borne out by professional ichthyologists.
Has read about JPG’s article on the fertilisation of orchids in Annales de la Societé Linnéenne d’Angers [1853], but has been unable to secure a copy. Seeks information about the role of bees in distributing pollen masses and about the varieties of orchids in Angers.
Homologies of orchid flower vascularisation.
Discusses stock-brokers; hopes to be able to see WED at Christmas.
CD sends thanks for many valuable dried specimens [of orchids]. Has been promised Catasetum and some Dendrobium by Mr Rucker; has written also to Lady Dorothy [Nevill].