Summary

Has read correspondent’s notice on bent cleavage. Refers him to observations on the same fact in South America, p. 160. CD has also suggested a conjectural explanation.

Summary

List of references on orchid structure and fertilisation.

Summary

Orchid anatomy.

Summary

Orchid homologies.

Sensitive responses in Catasetum.

Acropera becoming clear.

T. F. Jamieson impressed by JDH’s work on Himalayan glaciers.

Summary

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.

Summary

Reports events at Down;

has been doing good work on the homologies of orchids.

Summary

Asks JDH to look at movement of labellum in an orchid.

Summary

Rostellum of Masdevallia.

Summary

JDH’s Fernando Po case.

Madeiran fauna pre-glacial according to Oswald Heer.

Summary

Orchid anatomy: homologies of column vascularisation.

Primula paper sent to Linnean Society.

Summary

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).

Summary

Discusses observations of his own and of John Torrey on dimorphism, especially in Amsinckia.

Is trying to find specimens of Houstonia for CD.

Summary

Thanks GB for arranging for his paper ["Two forms of Primula", Collected papers 2: 45–63] and for his photograph.

Summary

CD fears he has misinterpreted vascularisation of butterfly orchid flowers.

Summary

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.

Summary

Homologies of orchid flower vascularisation.

Summary

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.

Summary

Discusses stock-brokers; hopes to be able to see WED at Christmas.

Summary

Describes in detail his day at home and at the bank in Southampton.

Summary

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].