4(14 COMPOSITAE. 



Heads with rays; corolla glabrous; outer pappus linear-squamellate : vars. of 



1. ( . villosa. 

 Heads rayless; corolla sparingly hirsute; outer pappus none _'. C. oregana. 



1. C. villosa Nun. \;ir. bolanderi Gray. Stems low, 3 to L2 in. high, 

 rather stout, several from the woodj base; herbage villous-pubesceni and 

 often sea In-' uis, greenish or sometimes silky; leaves oblong-spatulate, mucronate, 

 aarrowed below to a distinct petiole or the upper sessile and less Bpatulate, 



or widest at the middle and tapering to both ends, mostly 1 in. long; heads 



f> to 7 lines high, h-a fy bract ed, solitary or few in a corymbose Cluster; in- 



volucre campanulate or cylindrie-campanulate, its bracts lanceolate or subulate, 



villous-puboscent. in a few ranks; rays 4 to (> lines long; pappus-bristles 

 minutely sea brous, in a single low; outer pappus of little scales; achene silky, 



•"■, line long. 



Dry hillsides or rocky hilltops near the coast: San I'.runo Hills; San Fran- 

 eisco; Berkeley Hills and northward to the ocean bluffs of Mendocino Co., 

 where it occurs in typical form. Sept. War. ECHIOIDES Gray. Stems rigid, erect, 

 In to Id in. or even i M -j ft. high, usually Buffrutescent at base; herbage dense, 



hirsute -cam-scent ; leaves rigiduloUS, j •_. in. long, the lowermost longer; invo- 



lucral loads hispid-pubescent, the foliose bracts often hispid-eiliolate ; pappus- 

 bristles in a single row; outer pappus consisting of very short little scales, 

 not concealed by the pubescence of the achene. — Dry ground: Yaca Mts. and 

 southward through the San Joaquin Valley and South Coast Ranges to San 

 Diego Co. Var. sessiliflora Gray, stems few or several from a woody root, 

 1V$ to 2 ft. high, freely branching above, the heads -1 to 5 lines high and 

 solitary, or 2 or 3 together at the ends of long branchlets; herbage hispid or 

 villous-canesceiit or greenish, somewhat viscid; bracts sparsely hirsute, gran- 

 ulose-glandular ; rays 3 or 4 lines long, corolla-tube 4-angled toward the base; 

 slender little scales of the outer pappus often concealed by the densely villous 

 hairs clothing the achene. — Santa Crux Mts. and southward to Southern Cali- 

 fornia. 



2. C. oregana Gray. About 2 ft. high, of low bushy habit, branching 

 freely but the branchlets often long; herbage hirsute with spreading white 

 hairs but the aspect green; leaves oblong to lanceolate, ascending, 4 to 9 



lines long, the netted veins purple under a lens; heads few or numerous, naked, 

 the peduncles with 1 or 2 subulate bracts; bracts linear lanceo'mt e. in several 

 Series; corolla very slender, sparingly hirsute about the middle or on the lobes 

 only; outer pappus none; aclenes oblong. 



Gravelly beds of streams in the (oast Ranges: Los Gatos to Lake Co. and 

 northward to Oregon. A.ug.-Sept. Var. rudis Jepson. stems 8 to 12 in. high, 



arising from a stolon like rootstock, simple below and bearing abo\ e a subcorym- 

 bose Or paniculate (duster of heads; herbage hispid pubescent or even cam-scent ; 

 leaves narrowly oblong, varying to lanceolate, acute to- acuminate, cuspidate, 

 the lower more often widest above the middle. :: i in. long; involucre nearly 

 or quite equaling the (lowers, its bracts somewhat carinate or 1 -nerved. — Sand- 

 stone stream beds: Napa Valley. Sept.-Oct. 



81. STENOTUS Nutt. 



Sull'rnt icose or shrubby plants with glabrous herbage and evergreen foliage. 



Leaves alternate, narrow and entire. Heads large and broad, on solitary 



peduncles. [nvolucre hemispherical, its bracts little imbricated (in 2 or ."> 

 series), membranous with Bcarious margins, closely appressed. Flowers 



yellow; r;i\s -e\eral to many. Acholics oblong, somewhat compressed, densely 



villous. Pappus of slender bristles, permanently white. (Greek stenotes, nar- 

 rowness, in reference to the leaves.) 



