44 Proceedings of the Biological Society of Washington. 



cauline sessile by a broadened clasping base, 8-10 cm. long; heads all 

 long-peduncled, hemispheric, 2.5 cm. high; involucre campanulate, 2 cm. 

 high, thinly white arachnoid; tegules subequal, lanceolate-subulate, erect, 

 loosely imbricated in 3 or 4 series, green, not at all glandular, somewhat 

 spinulose-ciliate, the outer ones each with a slender straight spiny tip, the 

 inner each with a flattened scarious lacerated tip; corollas purple-red, 2 cm. 

 long, the lobes as long as the sparsely pilose throat; anthers glabrous; 

 akenes sparsely puberulent; pappus sordid, most of the bristles clavellate 

 tipped. 



Nearest C. remotifolius (Hook.) D.C., but very distinct from that. 



Grant's Pass, Oregon, M. E. Peck, No. 4839, June 30, 1913. 



