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

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.

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

Asa Gray’s anonymous review.

"Intensely interested" in orchid homologies; like a "game of chess".

CD’s reaction to review of the Origin [by Samuel Wilberforce] in Quarterly Review [see 2881].

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.

Owen wants to be civil, and sneer behind CD’s back.

Those, like Rudolph Wagner, who want to go halfway on theory, are "booked to go further".

Anatomy of orchids.

Huxley says K. E. von Baer goes "a great way with me".

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

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.

Thanks JDH for agreeing to observe coats of asses and mules in Middle East.

Asks for observations on vigour of plants as JDH ascends mountains.

Ad hominem article in Athenæum [review of John Tyndall, Glaciers of the Alps, 1 Sept 1860, pp. 280–2].

Reports extensive experiments on Drosera.

Observations on orchid anatomy.

Welcomes JDH home from Middle Eastern expedition.

Has found some funny evidences of transmutation in Cliffortia. Sketches gradual passage "from very unlike to same" – e.g., from three-leafed form to two-leafed.

Encourages CD’s work in vegetable physiology.

Ascending the Lebanon JDH noted limits of plant distribution as CD requested: lower limits of a genus sharper than upper. Sharpness of boundaries related to a plant’s moisture requirement.

Impressed by "sporadic" distribution at the Jardin des Plantes in Paris.

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

Third edition of Origin will answer reviewers.

Drosera experiments detailed.

Hopes for W. H. Harvey’s conversion.

JDH’s page-by-page criticisms on Origin, first edition, as requested by CD for preparation of the third edition.

Henry Fawcett’s article on Origin [Macmillan’s Mag. 3 (1860): 81–92] quotes JDH’s Oxford speech.

On JDH’s suggestions for new edition of Origin.

Gray’s Atlantic Monthly articles to be published [in England] as a pamphlet.

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

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].