Cymbidieae.

40. CYMBIDIUM . Sepals and petals subequal spreading . Lobes of the lip embracing the unwinged column . Pollinia with a transverse granular appeudage . Leafy stems short, pseudobulbous.

41. CYPERORCHIS. Lip erect from the base, narrow; lateral lobes embracing the column . Stem short, leafy . Scape sheathed, leafless.

42. GEODORUM. Sepals and petals erecto-patent , subequal. Lip sessile , broad from the base , ventricose, erect ,almost complicate. Stem short, leafy , and leafless scapes arising from a stout subtuberous rootstock.

43. GRAMMATOPHYLLUM . Sepals and petals spreading . Pollinia after removal attached to the lobes or horns of a luncate or curved stipes. Stem leafy ; scape many-fld., leafless.

44. DIPODIUM. Sepals and petals spreading. Pollinia after removal attached to 2 distinct stipes. Stems leafy or leafless; pseudobulb 0.

45. 45 . THECOSTELE. Sepals and petals spreading . Lip adnate to the base of the column , united at the base with it into a short tube, then spreading . Column sigmoid . pseudobulb 1-leaved. Scape leafless,lateral , recurved .

46. BROMHEADIA .Sepals and petals spreading. Lip erect; lateral lobes embracing the 2-winged column. Pseudobulbs ; flowering stem with distichous leaves ; peducle terminal , sometimes branched ,rachis of raceme often thickened serrate by the distichous bracts.

47. POLYSTACHYA. Sepals conniving or subpatent ; lateral connate into a mentum with the column. Pollinia affixed to distinct filiform stipes. Scape erect raceme simple.