one inch long, tumid, loosely appressed to the scape, sub- 

 acute, green. Flowers sessile or nearly so, two inches and a 

 half m diameter, golden-yellow, with faint red lines on the 

 disk of the lip, between the lateral lobes. Sepals oblong 

 obtuse, the lateral connate at the base of the column then 

 oblique, and together forming an inconspicuous sac. Petals 

 obovate-spathulate, rather smaller than the sepals. Lip as 

 long as the sepals, broad, concave, three-lobed, lateral lobes 

 ascending, subacute, middle one horizontal, recurved, obtuse, 

 with several obtuse ridges on the disk. Column long- 



Pig. 1. Ovary and column. 2. Lip. 3 and 4. Pollinia -.-all magnified. 



