New York: Published for Organization for Flora Neotropica by Hafner Publishing Company, 1970. Paperback edition. PAPERBACK. 227pp; 189pp. Quartos in wraps. B&W photographs and illustrations. Monographs No. 1 and 2 sold as a set. No. 1 (Cowan): Swartzia (Leguminosae, Caesalpinioideae, Swartzieae), pub. 1967. No. 2 (Cuatrecasas): Brunelliaceae, pub. 1970.