(99 ) 
3. H. Parryt Greene. Ray-flowers numer- 
ous with short ligule; ray-akenes turgid, very 
gibbose, the gibbosity pushing the terminal 
area to the inner angle so that the area appears 
lateral, receptacle convex; bracts of involucre 
pungent; palee of receptacle not pungent; 
upper leaves short, acerose, lower pinnatifid; 
flowers yellow.—©.: St. Helena. Summer. 
4. H. puncens Torr. & Gray. Ray-flowers 
numerous with short ligule; ray-akenes turgid, 
very gibbose, the gibbosity pushing the ter- 
minal area to the inner angle so that the area 
appears lateral; receptacle convex; upper 
leaves and bracts of the involucre pungent; 
pales of the receptacle pungent also; lower 
leaves frequently bipinnatifid; flowers yellow. 
©. Common. Summer. 
5. H. corymposa Torr. & Gray. Ray-flow- 
ers cuneate, more than 10. Ray-akenes turgid, 
very gibbose, the gibbosity pushing the termi- 
nal area to the inner angle so that the area 
appears lateral; akenes 4-5-nerved; receptacle 
flat, naked on the disc, but the disc flowers 
separated from the ray-flowers by a cup,formed 
by connate pales; ovary of the disc-flowers not 
developed; flowers yellow.—©. Common. 
Summer. 
6. H. anaustironuia DC. Ray-flowers 
cuneate, more than 10; ray-akenes turgid, very 
