Sends £20 for [James] Sowerby to pay for plates, "Florists Delight", and "English Botany". Discusses 'Lachenalia mediana', 'Lachenalia pallida' and 'Hyacinthus orchidioides' with reference to [Nikolaus von] Jacquin's "Icones plantarum rariorum" and [William Aiton's] "Hortus Kewensis". Received visit from [Joseph von] Jacquin who criticised [Albrecht von] Haller [(1758-1823)] and [Jacob] Wyttenbach's "premature" proposal [for new edition of elder Haller's "Icones plantarum Helvetiae"] and thinks this may be why they gave it up. Jacquin also provided introduction to [Carlo] Allioni and had not heard of Smith's intended "Systema Vegetabilium", thinks Jacquin "a good young man" but the botanical chair of Vienna "thirsts for preeminence". Will endeavour to repair relations with [William] Aiton [(1731-1793)]. Has moved earth for 3-4,000 pots, fears his health will be ruined before garden comes to fruition. Intends to send 'Carex tomentosa' grown from root, and intends to grow 'Schoenus ferrugineus'.