Seven species of Passifloraceae, Dilkea acuminata, Tetrastylis lobata, Passiflora tiliaefolia, P. costaricensis, P. capsularis, P. edtilis, and P. arborea are for the first time reported for Panama. Dilkea and Tetrastylis represent new generic reports. Passiflora williamsii is reduced to a variety, as P. platyloba Killip var. williamsii (Killip) A. Gentry, and recent collections of P. pittieri suggest that sect. Cirrhipes and Dolichostema may not be distinct. Eight additional species of Passifloraceae have been collected in Panama since the Flora of Panama (Woodson & Schery, 1958) treatment of the family. These include representatives of two genera new to Panama. All of these species come from wet-forest areas of the country. In addition, a name change is proposed for one Panamanian species as additional collections of P. williamsii and P. platyloba indicate that the two are not specifically distinct. The three Panamanian genera of Passifloraceae may be distinguished as fol