Cavendishia davidsei Luteyn, Cavendishia gomezii Luteyn, and Cavendish
ia limonensis Luteyn are described as new and their relationships are
discussed; C. davidsei and C. limonensis are illustrated. Cavendishia
chiriquiensis var. chiriquiensis and var. bullata, Sphyrospermum ellip
ticum, Themistoclesia horquetensis, and the genus Anthopterus (A. revo
lutus) are newly reported from Costa Pica; Orthaea brachysiphon is new
ly reported from Mexico, Belize, and Honduras; Pernettya prostrata is
reported here from Honduras; and Themistoclesia costaricensis is verif
ied from Panama. Cavendishia glutinosa (= C. endresii) and Empedoclesi
a brachysiphon (= Orthaea brachysiphon) are neotypified.