HOFFMANN, GEORG FRANZ. Vegetabilia in Hercyniae Subterraneis. Nuremberg, 1811. Folio, 488 x 350 mm., late 19th century half morocco. FIRST EDITION, 18 colored engraved plates. Nissen BBI 896; Stafleu & Cowan TL2 2891 -- WILLDENOW, CARL LUDWIG. Historia Amaranthorum. London, 1798. Folio, 406 x 258 mm., old half cloth. FIRST EDITION, second issue of title. 12 colored engraved plates by Schellenberg. Dunthorne 332; Nissen BBI 2156; Stafleu & Cowan TL2 17652. Arpad Plesch, bookplate. (2)