persistent, equalling or exceeding the pedicels. Perianth 
white, one inch to an inch and a quarter long, the lanceolate 
segments spreading horizontally when fully expanded, — 
furnished with a keel of seven distinct ribs. Stamens about 
half as long as the perianth. Ovary oblong; style subulate ; 
stigma obscurely bicuspidate.—J. G. Baker. 
Fig. 1, The pistil, complete; 2, horizontal section of the ovary :— both 
enlarged. 
