[BROUGHTON, ARTHUR]. Enchiridion botanicum. London: 1782. 8vo, contemporary calf, worn. FIRST EDITION. Hnerey 691; Stafleu & Cowan TL2 816. Charles Abbot's interleaved copy, extensively annotated by him with plant descriptions and notes on habitat and locale, with working notes later incorporated into his Flora Bedfordiensis; Benjamin Daydon Jackson, Linnean scholar and bibliographer, signature dated 1887 -- DELAROCHE, F. Eryngiorum nec non generis novi Alepidae. Paris: 1808. Folio, later half-calf, scuffed, damp damage to lower cover and lower margins of contents. FIRST EDITION. 32 engraved plates by Poiteau, Turpin and others. Nissen BBI 459; Stafleu & Cowan TL2 1349. Robert de Belder -- BURCKHARD, J.H. Epistola ad... Leibnitium. Helmstadt: 1750. 8vo, contemporary sheep-backed marbled boards, spine chipped, upper joint split. FIRST EDITION. Two folding hand-colored engraved plates. Pritzel 1378 -- KLEIN, J.T. An Tithymaloides: frutescens; foliis Nerii.. nec Cacala nec Cacaliastrum. Danzig: 1730. Small 4to, old limp boards, some browning to contents. One folding engraved plate. J.W.Baumann, bookplate; Robert de Belder -- And 3, 19th century. (7)