S. exaltatus Nutte ———+~ Herbs 60-120 com, tall, prevatlingly glabrous 
throughout, basal leaves mostly elliptical or oblanceolate, 6-15 om, long, 
obtuse or acute, tapering at the base to petioles ag long as the blade or. 
longer, rarely somewhat abruptly narrowed, the margins Sharply denticulate, 
the upper leaves sessile and clasping, lanceolate, widest at the base end 
acute or attenuate at the apex, 1,5=-6 cm, long, 3-12 mm. wide; heads dis= 
played in rather flat-topped corymbose clusters, the lower branches of which 
a a 
are 6-15 om, long, each branch bearing a small umbellate cluster at its 
apex; involucral bracts 5-8 um, tall, narrowly oblong, keeled on the back, ; 
rather abruptly narrowed toward the apex and there acute, tipped with: 
purple; ray-flowers 9-12 mm, long; achenes 4=5 mm, long, glabrous, 
1 tli oA Ne lle pi ala de 86 oe 
In meadows and on open hillsides, 
Se Leibergii Greene is.:a form very similar but with pale yellow rays, 
