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. 
