Aiphanes (Palmae), by Finn Borchsenius and Rodrigo Bernal (Vol. 70); Roystonea (Arecaceae: Arecoideae), by Scott Zona (Vol. 71); Euterpe, Prestoeae, and Neonichlosonia (Palmae), by Andrew Henderson and Gloria Galeano (Vol. 72); and Allagoptera (Palmae), by Mónica Moraes R. (Vol. 73) A taxonomic revision of each neotropical genus is presented.
