«aH stout roots, their stems 50-60 om. tall, sparingly floceose-woolly or nearly 
glabrous; basal leaves few, their blades 4-8 om. long, preveilingly oval, mostly 
obtuse, rather abruptly narrowed to stoutish often floccose petioles fer—the-p 
~moce—peri—obout_os longas—thebiedp, their margins irregularly denticulate P 
both surfaces or only the lower sparsely floccose-woolJy, both sometimes glabrate, 
the lower stem leaves similar but smaller, quickly passing into much reduced 
linear-lanceolate or subulate bract-like leaves 1.5=4 om. long, 2=5 mm. wide, 
broadest at the clasping base, the lowermost usually denticulate, the uppermost 
entire, attenuate, all prevailingly wooliy; heads displayed in subumbellate con= 
vex clusters the lowermost branches of which are 1-3 rarely 4 om. long; 
involucral bracts 5-7 mm. long, narrowly oblong, keeled on the back, rather 
=) S. columbianus Greene. “r-~Peremnig® herbs with 
abruptly narrowed toward the apex and there acute, tipped with purple; raye? ; / P 
flowers 9-12 mm. long; achenes 4-5 mm. long, sparsely hittellous. ——_ — 7 
———— > (S. atriapiculatus Rydb.). ae “a 
Open hillsides fram 2500-6000 feet. 
