Plant in habit, size and form of leaves, arrangement and size of flowers exactly as in E. minuta, differing as follows:-corona-lobes of the outer and middle series about 3/4 lin. long, shorter than the style; outer series entire, 1/3 lin. broad, linear-oblong, rounded at the apex, with a large gibbosity on the inner face near the top; middle series divided 1/2-3/4 of the way down into 3 linear segments about 1/8-1/6 lin. broad, with the middle one much longer than the lateral and having a large gibbosity on its inner face at the base, and the base of the lateral segments or margin of the united part more or less dilated into indexed auricles; inner series entire, 1/3 lin. long, linear or linear-oblong, obtuse, scarcely exceeding the anther-appendages; style exserted 1/2 lin. beyond the anther-appendages, 1/3 lin. thick and oblong or sometimes nearly as thick as long, very obtuse.