Sends specimens of 'Salix rubra' and 'S. fissa'; inclined to think they are sexual varities; his reasons. Encloses specimen of 'Erodium moschatum' gathered Ampthill Warren; will send specimens of 'Salix russelliana' catkins when in flower; sent [James] Sowerby 'Mnium annotinum', transcribes comments by Dawson Turner on this, who thinks it 'Trentepohlia' Hoffmann and now calls 'Surculum bulbiferum'. Encloses specimens of 'Lichen psora' [extant] and 'Bryum flavescens', found near Clapham Park Wood, new to England.

Specimen labelled 'Lichen psora'.