Found 'Sonchus canadensis', 'Ranunculus alpestris-nivalis', 'Anemone alpina', 'Bryum pomiforme', and 'Bartsia alpina' whilst searching on Mount Suchet for 'Ribes rubrum', which he thinks may be 'Ribes petraeum'. Instructions for [James] Sowerby for plates of his book, including their proposed titles: 'Crepis muricata', 'Micropus erectus', 'Spartium decumbens', 'Sisymbrium obtusifolium', 'Androsace carnea', 'Gentiana tenella', 'Potamogeton retusum', 'Scirpus elongatus', 'Carex myosuroides', and 'Agaricus venosus'. Briefly outlines characters of each for Smith's approval. Intends to name the book "Illustrationes Florae Helvetica". Responds to Smith's comments in his letter of 25 April [1790] on plants he sent Smith [listed in letter of 27 February 1790].

[Werner de] Lachenal [(1736-1800)] offended at impertinent conduct of the young [Albrecht von] Haller [(1758-1823)]. Transcribes, in French, extract from a letter received from Lechanel on Smith.