ROQUES (Joseph). Phytographie médicale. Paris, chez l'auteur, 1821; 2 volumes in-4 (293 x 216 mm), glazed brown half calf, smooth spines decorated with gilt fleurons and repeated motifs (period bindings). First edition. A magnificent work by one of the most eminent physicians and botanists of the period. 178 PLATES (OUT OF 180) OF PLANTS AND FLOWERS, DRAWN AND ENGRAVED BY HOCQUART, IN NATURAL SIZE, AND ENHANCED WITH WATERCOLOURS. For each one, the author analyses its virtues and indicates the remedies to be applied in case of poisoning. A very fine copy with wide margins, very fresh and without foxing - which is rare - elegantly bound.