Sending 'Phascum' specimens; his method for keeping them. Finds that most botanists have confounded 'P. multicapsulare', 'P. aphyllum', and 'P. stoloniferum' under 'P. acaulon'; observations.

Sends 'Bryum canceolatum' by request, also 'P. muticum', 'P. acaulon', 'P. bryoides', 'Lichen narius' of Hoffmann, 'L. punctiformis', 'P. curviocollum'; a "singular production", 'P. scandens'.

Thanks for specimen of 'Hypnum smithii' and opinion on 'Phascum' specimens he sent Smith; observations on these, including possible new species of stemless 'crispum', 'P. aphyllum' different from 'P. muticum', 'P. bryoides'. Approves of name 'Salix russelliana'. Finds that the 'P. scandens' is 'Mnium annotinum' Linnaeus; sends specimen in fruit; observations. Sends specimens of 'Lichen punctiformis', and 'Lichen luteus' Withering, which grows on bark of pollard ashes. Also sends 'Bryum rusescens'.

["Spec. 1" annotated in pencil at top of verso of folio]