282 Cichoriaceae 



margins fringed with hairs. Heads of flowers 

 nearly an inch broad, umbellate, bright 

 yellow. 



On banks and near rivers in the Rockies; 

 flowering in July. 



Hieracium throu g hout with 



Scouleri so ^ na -i rs 5 I ~ 2 feet high. Leaves 



Hook. lanceolate or spatulate-lanceo- 



Hairy i a t 6) 3-6 inches long. Flowers 



Hawk-weed. 1 i_ 1 1 



in an irregular branching panicle. 



Head J an inch high; involucre with copious 

 long bristly hairs; flowers bright yellow, J 

 an inch or more broad. ,- '' 



On banks and stony open ground through- 

 out the region flowering during July. 



Growing in tufts, pale green. 

 Hieracium 



gracile Leaves nearly all in clusters 



Hook. at the root, obovate to oblong- 



Slender spatulate, 1-3 inches long, at- 



Hawk-weed. , , 1 , 



tenuate into petioles, entire or 

 repand denticulate. Stems 8-18 inches high, 

 brownish-hairy above, bearing few or several 

 heads of flowers near the top; involucres 



