Urban I. & Gilg E., — Monographiae Loasacearum

Halle, Ehrhardt Karras, 1900, pp. [vii, general pp.], iv, 384, 8 lithographed plates, small folio, cloth-backed printed boards. Nova acta academiae caesareae Leopoldino-Carolinae germanicae naturae curiosorum, vol. 76. Fine unopened copy. References: Stafleu & Cowan 15.689. The Loasaceae is a family of 15-20 genera and about 200-260 species of flowering plants in the order Cornales, native to the Americas and Africa. The family comprises annual, biennial and perennial herbaceous plants, and a few shrubs and small trees.