Description
Part XIII of The Botany of the Guayana Highland contains four contributions:---Gentianaceae. Part 3 by Bassett Maguire and Brian M. Boom---Ouratea (Ochnaceae) by Bassett Maguire and Julian A. Steyermark---five new Melastomataceae by John J. Wurdack---12 new species in 6 angiosperm families from Cerro de la Neblina by Bassett Maguire and Julian A. Steyermark (Dioscoreaceae, Nyctaginaceae, Monimiaceae, Capparaceae, Cunoniaceae, and Rhamnaceae) and one (Rutaceae) by Bassett Maguire and Brian M. Boom
