(99) 



3. H. PARBYI Greene. Eay-flowers numer- 

 ous with short ligulae; 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; palese of receptacle not pungent; 

 upper leaves short, acerose, lower pinnatifid; 

 flowers yellow. . St. Helena. Summer. 



4. H. PUNGENS Torr. & Gray. Ray-flowers 

 numerous with short ligulse; 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 



r leaves and bracts of the involucre pungent; 

 palese of the receptacle pungent also; lower 

 leaves frequently bipinnatifid; flowers yellow. 

 0. Common. Summer. 



5. H. COEYMBOSA 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 paleae; ovary of the disc-flowers not 

 developed; flowers yellow. 0. Common. 

 Summer. 



6. H. ANGU ST I FOLIA DC. Ray-flowers 

 cuneate, more than 10; ray-akenes turgid, very 



