Requests return of drawings when finished with. Thanks [John] Lightfoot for the 'Chenopodium', his 'C. rubrum' is correct but but 'C. urbicum' not Linnaeus'; his 'Matricaria chamomilla' is 'Chrysanthemum inodorum'. 'Orobanche ramosa' a valuable discovery.

Mr Humphrey is "grown almost childish" after suffering a hemiplegia; principal symptoms; a young lady suffering severe case successfully treated with the Bark with steel and aromatics.

Asks after Sir Joseph [Banks'] rules in regard to a Latin quotation, having disfavourably compared the [Christian Gottlob] Heyne's edition of Tibullus recommended to him with Broukhuyse. Wishes to borrow third volume of [Linnaeus'] "Amoenitates", requests seeds of 'Hesperis verna'. Has [René Antoine Ferchault de] Réaumur's [(1683-1757) French scientist] "Methode d'éclore des oeufs" ["Method of hatching eggs"]. Wishes to see [Carl Alexander] Clerck's [(1709-1765)] work on insects ["Svenska spindlar"]. Would like Smith's translation of Linnaeus on the sexes of plants and Smith's translation and notes of [Lazzaro] Spallanzani [(1729-1799) Italian biologist]. Asks Smith to look at aphorisms in Linneaus' manuscript notes he might have occasion to quote. Reminds Smith of talk of producing a new edition of "Philosophia botanica". Numbered extracts on plants, in Latin. States importance of natural history artists representing nature "justly", in reference to [George] Edwards' [(1694-1773) artist and ornithologist] "[Gleanings of] Natural History". Recommends using balloons to observe the nests and eggs of tropical birds considering Sir Issac Newton's observations on visually distorting effects of the atmosphere when using telescopes.

Discovery of 'Sphaeria' Micheli ["Plantarum genera"] Pl.104 Tab.55, sends drawing, discusses how it has been universally found growing parasitically on 'Lycoperdon cervinum', possibility of Linnaeus confounding 'Lycoperdon cervinum' with 'Lycoperdon spadiceum', believes they may have been first to disover the true 'L. cervinum' in England.

Received a 'Lichen fuliginosus' of [James] Dickson and a 'Lichen croceus' which accords to [John Lightfoot's] "Fl[ora] Scot[ica]", asks Smith to compare his specimens. Reviews James Bolton's "History of English Ferns", highlights errors with 'Polypodium aculeatum', 'Polypodium fragrans', 'Polypodium [thelypteris]', 'Polypodium lobatum'. Asks Smith's opinion of [Anders] Spaarman's "Voyage to the Cape". Asks likelihood of a good herbarium selling for between £20 and £50 at an auction such as the Duchess of Portland's. 'Phallus caninus' and 'Peziza stipitata' found.