and petals very concave, obtuse, nearly equal, scarcely spreading. 
Lip small, articulate upon the elongated base of the column, 
deeply three-lobed : lateral lobes large, erect, embracing the co- 
lumn ; middle one much smaller, retuse, within is a large gland 
spotted with red. Column semicylindrical ; its wings short ; the 
back slightly downy. Azthers as in the genus. 
Fig. 1. Column and lip. 2. Column. 3. Anterior view of the lip :—slightly 
magnified. 
