| + | Leaves several: fls. solitary on long peduncles in the If .-axils; sepals and petals similar, spreading, the lateral sepals forming a slight chin; lip articulated to the foot of the column, the upper part ovate, concave, narrowed into a broad claw below with a fringed callus; column broadly winged at apex; pollinia 4, upon an ovate stalk.—Species 2, in Trop. Amer. |