the disc, in the lower half, are two longitudinal, elevated, cre- 
nated, rather tuberculated crests. Column shorter than the lip, 
semiterete, yellow, sprinkled with small blood-coloured dots. 
Anther-case terminal, hemispherical. Pollen of two broadly 
ovate, cleft masses, sessile upon a small membranous gland. 
Fig. 1. Lip. 2. Column. 3, 4. Anterior and posterior view of the pollen- 
masses :—magnified. 
