| + | Bollea (in honor of Dr. Karl Bolle). Orchidaceae. Epiphytic greenhouse orchids without pseudobulbs, with flat Lvs., and lateral 1-fld. peduncles: sepals and petals nearly alike, spreading, the lateral sepals forming a distinct chin; lip articulated to the column-foot, entire, the margin revolute, furnished with a thick ridged plate, over which the stout column extends; pollinia 4. —A Trop. American genus of 4 species. |