Postprint version. Published in Brittonia, Volume 36, Issue 1, January 1, 1984, pages 74-80.
The definitive version is available at https://doi.org/10.2307/2806298.
Four new species of Peetis are described: P. ericifolia from Barbuda, P. luckoviae from west-central Mexico, P. arida from Ecuador and Peru, and P. cajamarcana from Peru. Chromosome counts for P. erieifolza (n = 48) and P. luekoviae (n = 12) are presented. Relationships of the newly described taxa are discussed.