Eria extinctoria

Oliver in Bot,. Mag.t. 5910 ; dorsal sepal much smaller than the lateral ovate obtuse 5-nerved , lateral triangular acute 5-nerved , mentum longer than the lateral sepals conical incurved 2-lobed , petals oblong obtuse 3-nerved , lip larger than the sepals obcordate with a 2-lobuled undulate midlobe in the sinus. Dendrobium extinctorium , Lindl. in Bot. Reg. under t. 1756, and in Journ . Linn. Soc. iii. 11; Walp . Ann. Vi. 308.

TENASSERIM ; at Moulmein , Griffith , Parish.
Pseudobulbs crowded , ¼-1/3 in. diam ., naked . Leaves not seen . Scape 2-3 in., filiform , with 1-2 small sheaths; mentum ¼ -1/3 in .long; disk of lip with 3 hispid ridges , lobules of midlobe orbicular , with a scarlet blotch at the base ; column very short .