Two species of the neotropical genus Microlicia are proposed as new (M. barretoana and M. longifolia), both of which occur only in the state of Minas Gerais, Brazil. Additionally, Trembleya botaensis and T. purpurascens are recognized as new heterotypic synonyms under M. curralensis, for which an updated morphological description is presented. Comments on diagnostic features, distribution, habitat, phenology, and conservation status are provided for M. barretoana, M. curralensis and M. longifolia, as well as a distribution map for all of these species. Line drawings are provided for the new species.