Descr. Root annual. Leaves radical, linear, acute, 
glaucous, two to three inches long, glabrous, single-nerved. 
Seapes several from the same root, a span high, clothed 
with spreading hairs. Flowers drooping before expansion, 
then erect. Calyx of three leaves, generally caducous, 
sometimes remaining for a time in a withered state. Three 
outer petals broadly obovate, full yellow, pale at the sides ; 
three inner narrower, white, yellow at the claw. Stamens 
not numerous, yellow ; filaments decidedly dilated. Anthers 
oblong. Germen ovato-triquetrous, Stigmas three, ses- 
sile, ovate. 
Fig. 1. Outer Petal. 2. Inner ditto. 3. 3. Stamens. 4. Pistil :—mag- 
nified, 
