of an inch broad, sessile by a broad base, linear, obtuse, 
one-nerved, quite entire, or a few of the lower sparingly 
pinnatifidly lobed. Heads one to one and a half inches in 
diameter ; involucre of linear, rigid, erect, hispid and glan- 
dular green bracts. Ray-rLowsrs eight to thirteen ; tube 
glandular, embraced at the base by the dilated auricled 
margins of the inner bracts; limb broadly cuneately 
obovate, with three rounded terminal lobes, pearly white. 
Pappus none, or very scanty. Style-arms slender, revolute. 
-Disk-riowers tubular-campanulate, very shortly five-lobed ; 
lobes ciliolate. Anthers exserted, base obtuse. Style-arms 
revolute. Achenes clavate, villous; pappus of ten to— 
twenty rigid scabrid unequal bristles about as long as the 
achene, and villously hairy below the middle.—J. D. H. 
Fig. 1, Portion of ray-flower and bract; 2, outer bract; 3, disk-tlower; 4, 
stamens ; 5, stigmatic arms; 6, achene and pappus :—all enlarged. 
