558 



COMPOSITE. 



1887, and southward through the San Joaquin Valley and inner 

 South Coast Kanges to San Diego Co.; also west to Saratoga (Santa 

 Clara Co.), Davy, 1893. Sept. 



Var. sessiliflora Gray (C. sessiliflora Nutt.). Stems few or several 

 from a woody root, 1£ to 2 ft. high, freely branching above, the 

 heads 4 to 5 lines high and solitary, or 2 or 3 together at the ends of 

 long branchlets; herbage hispid or villous-canescent or greenish, 

 somewhat viscid; bracts sparsely hirsute, granulose-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. — South Coast Kanges: Saratoga, Davy; 

 rare within our limits, common southward. 



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 lanceo- 

 late, ascending, § in. long, the netted veins purple under a lens; 

 heads few or numerous, naked, the peduncles with 1 or 2 subulate 

 bracts; bracts linear-lanceolate, in several series; corolla very slender, 

 sparingly hirsute about the middle or on the lobes only; outer pappus 

 none; achenes oblong. 



Gravelly beds of streams in the Coast Kanges: Los Gatos. East- 

 wood; Sonoma, Bioletti; Putah Creek, Woolsey and Jepson, the plants 

 hispid-scabrous, more densely branched, leaves on the branchlets 

 mostly 3 lines long (doubtless var. scaberrima Gray); South Fork of 

 Eel River, Lake Co. (in typical form), and northward, the northern 

 plants typical. Aug. -Sept. 



Var. rudis. (C. rudis Greene). Stems 8 to 12 in. high, arising 

 from a stolon-like rootstock, simple below and bearing above a sub- 

 corymbose or paniculate cluster of heads; herbage hispid-pubescent 

 or even canescent; leaves narrowly oblong, varying to lanceolate, 

 acute or acuminate, cuspidate, the lower more often widest above the 

 middle, f in. long; involucre nearly or quite equaling the flowers, its 

 bracts somewhat carinate or 1-nerved. — Sandstone beds of dry 

 streams: Sulphur Spring Creek, Napa Valley. Sept. -Oct. 



81. STENOTUS Nutt. 



Suffruticose or shrubby plants with glabrous herbage and evergreen 

 foliage. Leaves alternate, narrow and entire. Heads large and 

 broad, on solitary peduncles. Involucre hemispherical, its bracts 

 little imbricated (in 2 or 3 series), membranous with scarious margins, 

 closely appressed. Flowers yellow; rays several to many. Achenes 

 oblong, somewhat compressed, densely villous. Pappus of slender 

 bristles, permanently white. (Greek stenotes, narrowness, in refer- 

 ence to the leaves.) 



1. S. linearifolius (DC.) Greene. Shrub 2 to 4 ft. high, with 

 sticky herbage and stout woody branches; branchlets more or less 

 fastigiate, leafy below, nearly naked above and bearing solitary 

 heads; heads hemispherical, 1£ to 2 in. broad, including the rays; 

 leaves much crowded or fascicled, linear, narrowed toward the base, 



