312 Carduaceae 



triangular-hastate or deltoid-cordate, the 

 uppermost lanceolate, with cuneate base. 

 Heads of flowers about J an inch high, 

 numerous in a flat open cyme; involucre 

 campanulate; rays 8-12, bright yellow, ob- 

 long-linear, J-J of an inch long. 



In wet ground and along the borders of 

 streams and wet slopes at 5000 to 6000 feet 

 elevation throughout the Rockies ; at much 

 lower altitudes in the Selkirks where it is 

 a very abundant plant ; flowering in June and 

 early July. 



Scape slender and scaly, 6-24 

 inches high. Leaves nearly or- 

 bicular in outline, 3-12 inches 



(Alt.) 



A. Gray. broad, deeply y-n-cleft to much 

 Palmate- beyond the middle, green and 



leaved smooth above, densely white - 



Coltsfoot. . 1 



woolly beneath, at least when 



young; the lobes oblong to obovate-acute, 

 often somewhat wedge-shaped, sharply den- 

 tate or cut. Heads mostly dioecious, nu- 

 merous, corymbose, J an inch broad; 



