In this volume, forty-nine species representing seventeen genera and nine families are treated. They belong to three main biological forms: grasses (Aizoaceae, Pedaliaceae, Polygalaceae and Xyridaceae pp), vines (Aristolochiaceae and Gnetaceae) and trees or shrubs (Hypericaceae, Lecythidaceae, Polygalaceae and Turneraceae pp). They meet in different settings ranging from the vegetation of coastal sands, through the forest to the recruits training primary or secondary within the country. Wetland environments and inselbergs are also home to many species described in this volume, including owned Xyridaceae. In addition, many taxonomic notes presented by the authors contribute to clarifications sometimes essential to the understanding of the synonymy of certain species, their combination or separation of a species and even a variety.