Summary

Observations on Drosera: plants can distinguish minute quantities of nitrogenous substances.

Summary

Preparing new edition of Origin and asks for JDH’s corrections and criticisms.

Summary

Analysing results of last spring’s Primula experiments, CD infers pollen of short-styled plants "suits" long-styled plants.

Summary

Welcomes JDH home from Middle Eastern expedition.

Summary

Asks JDH for some Goodenia.

Suggests Daniel Oliver try to cross Mimosa, noted for sterility.

Summary

Sends JDH note on adaptation of an Australian Compositae for dispersal in dry climate. Is it too trivial to publish? [Collected papers 2: 36–8].

Summary

Wife’s health improved by trip.

Heer’s collections convince JDH that Miocene vegetation was Himalayan, not American, as Heer supposed.

Zurich promises to be a good natural history school.

Review of Natural History Review in Parthenon [1 (1862): 373–5].

Summary

Many mutual acquaintances are ill.

Summary

Encloses MS on observations and experiments on Drosera. JDH’s opinion will help him decide whether to pursue subject in some future year.

Summary

CD has a low opinion of British entomologists.

Lyell’s ingenious difficulties with natural selection show he is in earnest.

Asks JDH to observe beetles and variation of stripes in mules on his Syrian tour.

Summary

Has received Melastoma and Vanilla.

Has seen again the two sets of plants of Heterocentron raised from two lots of pollen from same flower – a marvellous difference in stature.

"But oh Lord what will become of my book on variation: I am involved in a multiplicity of experiments."

Observations on Viola.

CD’s fancied dimorphism of Oxalis is all a confounded mistake; only great variability in length of pistils.

Found Henslow’s life [L. Jenyns, Memoir of the Rev. J. S. Henslow (1862)] interesting but fears the public will think it dull.

Summary

Progress of [Thomas?] Thomson and G. H. K. Thwaites on accepting mutability.

Bee orchid pollination.

JDH has written to CD on homologies of stigma in Goodeniaceae.

Summary

CD’s opinion of minor critics and commentators on Origin.

H. C. Watson’s notion of genera converging is dismissed.

Summary

Feels his poor stomach "saved" him from overworking his head.

Summary

Floral anatomy; pistil curvature and pistil movement. CD’s rule that bent pistils occur in "gangway" into nectaries.

The book JDH is planning, which he and CD discussed at Kew, should deal with plant reproduction.

Summary

JDH has probably influenced Bates by pointing out applicability of CD’s views to his cases.

Is greatly puzzled by difference in effect of external conditions on individual animals and plants. Cannot conceive that climate could affect even such a single character as a hooked seed.

Does not think Huxley is right about "saltus".

Summary

CD’s list of fifteen converts. His opinions on opponents and supporters.

Summary

Yellow anthers of Heterocentron produce on the same plant thrice as many seeds as the crimson anthers. Crimson anther seeds produce dwarf plants, others rise high up. Monochaetum ensiferum facts are still more strange. Wants to investigate the case, and asks for a plant of the Melastomataceae just before flowering.

Has JDH a Rhododendron boothii from Bhutan with pistil bent the wrong way?

Summary

Information about various species of Utricularia.

Summary

Asa Gray’s pamphlet.

Ill health.