tips ; terminal one similar to the petals. Petals obliquely 

 ovate-oblong. Labellum orange-coloured, sessile, cordate 

 at the base, crested above ; lateral lobes short, rounded ; 

 terminal one sinuate, thickened at the tip. Column half 

 as long as the labellum. — W. B. H. 



Fig. 1, side view of labellum and column ; 2, front view of labellum ; 3, front 

 view of column; 4, anther; 5, pollinia: — all enlarged. 



