﻿pedately lobed and lobes oblong, rarely again toothed, 

 blades 6" or less long, all on a slender petiole about half 

 their length, and obtuse or barely acute, alternate, thin: 

 plants racemosely branched above with solitary heads on 

 slender peduncles, 2' or less long; flowers light yellow, 

 few, in small heads, 2" long and 2" wide, flowers and 

 scales pubescent; akenes with thick lateral nerves and 

 usually a slender awn at each angle, narrowly oblong, 

 scabrous pubescent. 



Senecio Bigelovii Gray. I can find no crucial charac- 

 ter separating this from S. Rushyi Greene. 



CxiCUS CLAVATUS. 



No. 5715. August 2, Fish Lake, Utah, io,ooo° alt., 



Plants tufted from a deep perennial root, erect, 2-2 i c 

 high, glabrous throughout; leaves lanceolate, root leaves 

 about i G long, stem leaves 6-8' long, all deeply pinnatifid 

 with lanceolate, very shortly spinose lobes, spines 1" long 

 or less; leaves percurrent by a narrow wing (3 ' high) be- 

 low the petiole; heads on peduncles 2' long, involucrate 

 with several leafy bracts: scales imbricated, coriaceous 

 except at tips of the innermost, all but the uppermost 

 spinose with short spines, and these also with lateral 



the upper all with dark tips; flowers white, corolla lobes 

 % the tube; at least some of the pappus awns clavate 

 thickened at the apex in each flower, short, barely ex- 

 ceeding the corolla tube; heads 2' high, nearly hemi- 

 sperical to campanulate. This grows at high elevations 

 close to snow, in the same situations in which C. Eaton i 

 is found, but it is conspicuously different from that 

 species. 



Cnicus calcareus. 



No. 5695bh. July 27, Bromide Pass, Henry Mountains, 

 Utah, io,ooo° alt., in gravel. 



