EditorialPenstemon cyananthus, May 29, 1913, Watercolor and brown ink over graphite, with page design indicated in graphite, sheet: 13 11/16 x 9 15/16 in. (34.8 x 25.2 cm), Drawings, Margaret Neilson Armstrong (American, New York 1867?1944 New York).
EditorialLobed cyananth, Cyananthus lobatus. China. Handcoloured copperplate engraving by George Barclay after an illustration by Miss Sarah Drake from Edwards' Botanical Register, edited by John Lindley, London, Ridgeway, 1847.