The pleurocarpous mosses of Bermuda, the Bahamas, and the West Indies are keyed, illustrated, and described in detail. Three orders are treated: Hookeriales, Leucodontales, and Hypnales. Within these, 30 families, 125 genera, and 254 species are treated. The author proposes some nomenclature novelties. Includes b&w drawings. Annotation c. by Book News, Inc., Portland, Or.