

Mir 



3o 2 Carduaceae 



wide, acute at the apex,, narrowed at the base, 

 the lower ovate or ovate-oblong, petioled, the 

 upper lanceolate or oblong-lanceolate, ses- 

 sile or short-petioled, all opposite, or the 

 uppermost bract-like and alternate. Heads 



M 



solitary or few, 2-3 inches broad, involucre 

 hemispheric, its bracts ovate, acute or obtuse, 

 fringed with hairs; disc brown or purple; 

 rays 15-25, light yellow. 



Frequent along the railway in the valley 

 of the Kicking Horse River and in the 

 valley of the Columbia at Beavermouth; 

 flowering in August. 



Stem smooth, except the summit 

 Helianthus 

 Nuttallii which is soft-hairy, slender, 



Ton- and mostly simple, 2-4 feet high. 

 Gray. Leaves rough on both surfaces, 



Nuttall's lanceolate or the upper linear, 



Sunflower. 



3-6 inches long, J f of an 

 inch wide, frequently opposite, serrulate or 

 entire. Heads ^ an inch high, scattered; 

 bracts of the involucre linear-lanceolate 

 with a subulate tip, hairy at the base; 



