Cincinnati, Ohio: Caie, Montgomery & Moore, 1885. Flowers and Ferns of America by A. B. Henry, Illustrations from original watercolor drawings after nature by Isaac Sprague, C.E. Faxon and J.H. Emerton. Published in Cincinnati, Ohio in 1885 by Caie, Montgomery, and Moore (approximately 285 x 225 mm). Plate 2: Chromolithographs: Volume I: "Flowers of the Field and Forest," The Flower de Luc [Larger Blue Flag] (Iris Versicolor L.) Attributed to Isaac Sprague. Isaac Sprague, born in Boston (1811 – 1895) began his career as a carriage painter but, inspired by Thomas Nuttall's Ornithology, he began drawing birds of eastern Massachusetts. Impressed by his work Audubon recruited Sprague for an expedition to Montana in 1843. Sprague was charged with making drawings and measurements for Audubon's finished work. On his return from the West, he met Asa Gray and began creating illustrations for his publications, including the Manual of Botany (1856). Among Sprague's popular books are Flowers of the Field and Forest and Beautiful Wild Flowers, both of which went through many printings. Archivally matted. #41530. Fine.