Summary

Casual observations on Drosera.

Wants to know author of good review of Origin in London Review [& Wkly J. Polit. 1 (1860): 11–12, 32–3, 58–9].

Athenæum will reprint Gray’s discussion.

Summary

CD will visit Kew on way home from E. W. Lane’s hydropathy establishment.

Summary

Reread JDH’s letter "with infinite pleasure".

Plans to visit Kew.

Summary

Dissection of Leschenaultia convinces CD insect agency necessary for self-fertilisation in this case.

Primroses and cowslips seem universally to occur in two forms. Very curious to see which plants set seed.

Summary

Gives references to experiments on cowslip for W. H. Harvey.

Suggests possible sources of error in results. Feels evidence is overwhelming that cowslip and primrose are varieties.

Has received laudatory verses on the Origin from some botanist; suspects Francis Boott.

Summary

To understand Leschenaultia pollination CD requires field observations in the native country.

Has observed two forms of cowslips, which he calls male and female. The same two forms are found in primroses.

Summary

CD has learned from Lyell that JDH reviewed Origin in Gardeners’ Chronicle writing in Lindley’s style.

Lyell is working on man.

Summary

Floral anatomy of Goodeniaceae: although flowers seem to fertilise themselves by pistil moving to anther, CD shows that insect agency is necessary. Wants JDH to check his interpretation of stigmatic surface.

Summary

Lyell, de facto, first to stress importance of geological changes for geographical distribution.

Asa Gray has given CD too much credit for theories of geographical distribution.

Reaction to hostile criticism

and debt to Lyell, Huxley, JDH, and W. B. Carpenter.

Summary

CD, ill and despondent about hostile reviews, is cheered by JDH’s account of Oxford battle, particularly by willingness of JDH and Huxley to fight for CD’s theory in public.

Summary

Comments on W. H. Harvey’s article on a monstrous Begonia [Gard. Chron. 18 Feb 1860].

Is astonished at being attacked for not allowing great and abrupt variations under nature. More evidence needed to make CD admit that forms have often changed "by saltum".

Summary

Instructs JDH on how to pollinate Leschenaultia.

Evidence of Leschenaultia and the dioecious condition of cowslips and Auricula is making necessity of insect pollination "clear and clearer".

Summary

Asa Gray’s articles in Proceedings of the American Academy of Arts and Sciences [10 Apr 1860] excellent; considering asking Athenæum to reprint them.

Summary

CD writes of his admiration for pollination contrivances in Gymnadenia. Ask George Bentham whether this plant should be removed from genus Orchis.

Summary

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

Summary

CD’s response to criticism of natural selection. Exasperated at not being understood. He tries to narrow the gap between himself and JDH.

Summary

Lyell and CD would urge JDH to make his essays into a book, but see he has embarked on a huge project with G. Bentham [Genera plantarum, 3 vols. (1862–83)].

Summary

CD’s divergent series explains those anomalous plants that hover between what would otherwise be two species in a genus.

Inclined to see conifers as a sub-series of dicotyledons that developed in parallel to monocotyledons, but retained cryptogamic characters.

Mentions H. C. Watson’s view of variations.

Man has destroyed more species than he has created varieties.

Variations are centrifugal because the chances are a million to one that identity of form once lost will return.

In the human race, we find no reversion "that would lead us to confound a man with his ancestors".

Summary

JDH coming to Down. Huxley will be invited.