CXLVIII. ORCHIDE^. (J. D. Hooker.; G71 



35. OTOCHILUS. Pseudobulbs superposed, uppermost 2-leaved. Lip sessile, 

 base saccate, lateral lobes ear-like. Column elongate ; pollinia 4. Peduncle terminal', 

 sheathed. 



36. PHOLIDOTA. Pseudobulbs 2-leaved, solitary or superposed. Lip saccate- 

 Column short, broadly 2-winged ; pollinia 4. Peduncle sheathed. 



37. CALANTHE. Terrestrial herbs. Leaves plicate, produced after the racemose 

 flowers. Lip usually spurred, claw connate into a tube with the column. 



38. ARUNDINA. Terrestrial herbs ; stem leafy. Sepals spreading. Lip sessile, 

 not spurred, base concave embracing the column. 



TRIBE II. Vandeae. 



Subtribe 1 . ETJLOPHIE.E. 



39. EULOPHIA. Scape usually leafless. Petals like the dorsa sepal. Lip 

 gibbous or saccate, rarely spurred. Gland of the rostellum usually produced into a 

 stipes. 



Subtribe 2. CYMBIDIE^E. 



40. CYMBIDITJM. Sepals and petals subequal, spreading. Lobes of the lip 

 embracing the unwinged column. Polliuia with a transverse granular appendage. 

 Leafy steins short, pseudobulbous. 



41. CYPEROECHIS. 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. GRAMMATOTHYLLUM. Sepals and petals spreading. Pollinia after removal 

 attached to the lobes or horns of a lunate 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 leatfess ; pseudobulb 0. 



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 sig- 

 inoid. Pseudobulb 1-leaved. Scape leafless, lateral, recurved. 



46. BROMHEADIA. Sepals and petals spreading. Lip erect; lateral lobes 

 embracing the 2-winged column. Pseudobulb ; flowering stem with distichous 

 leaves ; peduncle 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 foot of the short column. Flowering stems short, few-leaved, at 

 length pseudobulbous, flowers small racemose or panieled. 



Subtribe 3. CYRTOPODIE.E. 



48. PLOCOGLOTTIS. Terrestrial. Lip saccate at the base, connate by a plaited 

 membrane with the column. Pollinia affixed to distinct filiform stipes. Scape erect, 

 raceme simple. 



Subtribe 4. SARCANTHE/E. 



* Lip not spurred (see Arachnanthe). Column without a foot, short , 

 not winged. 



49. LUISIA. Sepals and petals not spreading widely. Lip not jointed at the 

 base, usually longer than the sepals. Stipes of the pollinia ovate, flat. Leaves 

 terete ; flowers in short spikes. 



50. COTTON i A. Sepals spreading widely, broader than the petals. Lip not 

 VOL. V. xx 



