Wasshausen, D. C. (Department of Systematic Biology-Botany, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, U.S.A.; email: wasshausen.dieter@nmnh.si.edu) & J. R. 1. Wood (111 Forest Road, Liss, Hampshire, GU33 7BP, Great Britain). The genus Dyschoriste (Acanthaceae) in Bolivia and Argentina. Brittonia 55: 10-18. 2003.- Recent field work in Bolivia has resulted in the recognition of new species of Dyschoriste (Acanthaceae). These novelties are introduced here for the convenience of other taxonomists prior to the publication of a treatment of the Acanthaceae of Bolivia. Three new Bolivian and one new Argentinean species of Dyschoriste, D. axillaris, D. boliviana, D. ceciliae, and D. prostrata are described, illustrated, and compared to their closest relatives.