Bletieae.

23. ACANTHEPHIPPIUM. Sepals connate into a broad fleshy cup. Petals included, adnate to the base of the short column,which is prolonged into a long foot. Flower large in short few –fld. Racemes.

24. PHAIUS . Flowers large , racemose . Sepals free. Lip gibbous or spurred , lateral lobes embracing the long column, which is not prolonged into a foot. Leaves often large, plaited.

25. NEPHELAPHYLLUM. Flowers racemose on a leafless scape. Sepals free. Lip spurred . Column 2 –winged , foot 0. Pseudobulb very narrowed above and jointed with the membranous leaf.

26. TAINIA . Flowers racemose on a leafless scape. Sepals and petals acute, caudate ; lateral sepals inserted ou the short foot of the column. Lip spurred or gibbous . Pseudobulbs thick , 1-leaved.

27. ANTHOGONIUM. Flowers racemose on a leafless scape. Sepals conuate in a slender tube. Petals linear , claws free within the sepals . Column elongate , foot 0. Pollinia 4 (upper series wauting ). Leaves few , grass-like , from a pseudobulb.