The Triumph of Nature Over Art (design for an engraving of 'De Florum Cultura'); ca. 1633; Pen and brown ink; brush and brown wash; over black chalk; 7 13/16 x 5 11/16in. (19.9 x 14.5cm); Drawings; Pietro da Cortona (Pietro Berrettini) (Italian; Cortona 1596-1669 Rome); This drawing by the Baroque master Pietro da Cortona is a design for one of the illustrations in a treatise on gardening written by the Jesuit professor; Giovanni Battista Ferrari (1584-1655). The book; titled 'De Florum Cultura' (Rome; 1633); published this design engraved in reverse by Johann Friedrich Greuter (1590-1662)