Leaves plicate-veined: fls. borne on a lateral leafless st.; sepals and petals spreading, similar, or the latter broader; lip attached to the base of the column, 3-lobed, the lateral lobes erect, the middle lobe spreading, the disk with several entire or denticulate-crisped ridges; pollinia 8.—A genus of about 20 species in Trop. Amer. | Leaves plicate-veined: fls. borne on a lateral leafless st.; sepals and petals spreading, similar, or the latter broader; lip attached to the base of the column, 3-lobed, the lateral lobes erect, the middle lobe spreading, the disk with several entire or denticulate-crisped ridges; pollinia 8.—A genus of about 20 species in Trop. Amer. |