on the lower side. Column short, but prolonged below, so as 

 to form a spur with the bases of the lateral sepals. Anther 

 hemispherical, and somewhat four-angled. 



Fig. 1. Column. 2. The same, with the Anther-case separating. 3. 4. 

 Pollen -masses. 5. Portion of the Fringe : — magnified. 



