Carduacese 3 01 



Rough-hairy throughout, stems 

 Rudbeckia , , * j 



, . simple or sparingly branched, 



nirta L*. 



Black-eyed often tufted, 1-3 feet high. 

 Susan, Leaves thick, sparingly serrate ^ c* 



Yellow with low teeth or entire, lan- 



ceolate or oblong, the lower and 

 basal ones petioled, mostly obtuse, 3-5- 



/* 



nerved, 2-7 inches long, -2 inches wide, 

 the upper sessile, narrower, acute or acutish. 

 Heads commonly few or solitary, 2-4 inches 

 broad; rays 10-20, deep yellow or orange; 

 bracts of the involucre very rough-hairy; 

 spreading or reflexed, much shorter than the 

 rays; disc globose-ovoid, purple-brown. 



Throughout the region, not infrequent 

 along the railway from Field west to the 

 valley of the Columbia at Beavermouth; 

 flowering in July and August. 



Stems simple or a little branched, 

 Helianthus 

 scaberrimus rough-hairy or only slightly so, 



Ell. 1-8 feet high. Leaves thick, leath- 



Strff ery, serrate, rough-hairy on both 



Sunflower. -\ 1 1 i 1 



sides, 2-7 inches long, J-2 inches 



