partially clothed with sheathing green bracteas, the largest one 
embracing the ovary. Flower large, handsome, fragrant, sub- 
globose, almost entirely of an uniform yellow colom-. Petals 
and sepals uniform, except that the former are smaller, broadly 
orbicular, ovate, acute, very concave. Lip rather shorter than 
the rest of the perianth, ovate, concave at the base, three-lobed, 
lateral lobes acute, yellow, glabrous, intermediate one hairy, 
orange-coloured, subdeltoid, three-toothed (middle tooth very 
large), two-lipped, upper lip subobcordate, much shorter than 
the acuminated lower one. Column large, wingless. Caudimla 
of the pollen-masses toothless in this variety. 
Fig. 1. Labellum 2. Pollen-masses:— magnified. 
