longer than the flower. Perianth with the segments erect, 
nearly equal in length. Calyx of three ovato-acuminate, 
eenish leaves. Petals white, two lateral ones ovate, very 
obtuse: lower one or labellum ovate, with the sides in- 
curved, the apex reflexed, the base prolonged into an 
inflated, globose, yellowish-green spur, very much shorter 
than the linear-oblong, twisted germen. Column very 
short. Anther large in proportion to the size of the flower, 
yellow, having on each side a clavate, erect gland or abor- 
tive anther. . 
Fig. 1. Flower. 2. Lip with its Spur. 3. Column. 4. Pollen mass: 
magnified. 
