Mariti (Giovanni) Della Robbia; sua Coltivazione e suoi Usi, first edition, half title, engraved title with coat of arms and decorative border, engraved initial, 5 engraved plates by Matteo Carboni, 2 folding, contemporary vellum, slightly soiled, Florence, Gaetano Cambiagi, 1776 § Ratti (Giambattista) Trattato della Seminazione de' Campi, e della Coltivazione de' Prati, woodcut device on title, head- & tail-pieces and initials, 7 folding engraved plates, 1764; Nuova Giunta al Trattato della Seminazione de' Campi, e della Coltivazione de' Prati, folding engraved plate, 1766, together 2 works in 1 vol., lightly browned, contemporary vellum, rubbed and soiled, spine worn at head, Casale, Gio.Antonio Meardi; and another, 8vo (3)

⁂ The first concerns the genus Rubia plants, more commonly known as Madder, which have been used since ancient times to produce fabric dyes. They are mentioned by Pliny the Elder in his De re natura.