SOWERBY, James & James Edward SMITH. English Botany; or, Coloured Figues of British Plants, London, 1790-1807, vols. I-VI only, hand-coloured engraved plates, contemporary half calf (worn) -- SOWERBY, JOHN E. and Charles JOHNSON. The Ferns of Great Britain, London, John E. Sowerby, 1855, 8°, hand-coloured engraved plates (some spotting), contemporary half morocco (rubbed). (6)