cartilaginous fringed with minute cartilaginous teeth, and some- 
times rather coarsely serrate ; midrib obscure, nerves obso- 
lete. Heads one to one and a half inch in diameter, solitary, 
terminal, sessile or peduncled, golden yellow. Involucre hemi- 
spherical, bracts in several series, green, coriaceous, the outer 
lanceolate, the inner spathulate, with broad pale serrate margins 
and awned tips. Receptacle flat, pitted, paleaceous. Ray-flowers 
numerous, female ; ligule oblong-lanceolate, three- toothed ; disk 
flowers tubular, hermaphrodite. Style arms linear-subulate, 
hairy. Achenes small, turgid, obovoid, ribbed, pubescent. 
Pappus of six to ten unequal rigid flattened shining rufous 
bristles. — J. D. H. 
Fig. 1, Ray-flower and palea of receptacle ; 2, disk flower and pappus bristle : — 
all magnified. 
