251 



paniculate; capitulum sessile, ovate 

 and tomentose, sin; inner sepals scar- 

 iose, linear-oblong. Hab. Plains of the 

 Oregon and Lewis river. A low, but 

 rather stout shrub, w with a close to- 

 mentum; Ivs rather more than an i 

 long-, about 2 li wide, more or less deep- 

 ly 3-toothed, sometimes entire, the up- 

 per ones always so; panicle much 

 branched, the fls sm (I have not seen 

 them in a perfect state, and therefore 

 class this species by its apparent af- 

 finity with the last) [arbuscula]. 

 Somewhat allied to A. Chinensis." 

 Nuttall, Am Phil soc tr, II, 7:398 (1841). 



C D; Baja; Wash.; Mont.; Colo. 

 Variety A1VGUSTIFOLIA A. Gray. 



"Lvs all narrow; lower spatulate- 

 linear and barely 3-toothed at the 

 rounded apex; upjper entire and linear; 

 hds rather smaller, exactly of A. tri- 

 dentata, while the foliage is nearly 

 that of A. trifida, except that it is not 

 trificl^ Arid plains, S. Idaho and W. 

 Nev to the Mohave Desert and the 

 southern borders of Cal." Gray, Am ac 

 pr 19:49 (1883). 



Mohave; CD; Idaho; N. M. 

 NEMOSERIS CALIFORNICA Greene. 



Rather stout, glabrous: sts w, 6-9 

 dm hi: Ivs oblong, plnnatifid, sessile 

 and clasping, the upper reduced: hds 

 many in a paniculate-corymbose infl, 

 1.5-2 cm hi: ligules rather short: outer 

 ak pubescent: beak slender, equaling 

 ;the body: pappus dull w. 



Abrams, Fl LA 447. 



Rafinesquia California Nuttall. 



SD; Baja! Cruz; Arizona. 

 PTILORIA PLETJROCARPA Greene. 



Taller and stouter than P. virgata, 

 virgate-paniculate, glabrous, glaucous: 

 hds rather sm, few-fid: ak fusiform, 

 rugose-tuberculate between the sali- 

 ent riblike angles, intervening grooves 

 0: pappus-bristles num, distinctly 

 plumose to base, bright w, soft, early 



Abrams, Fl LA 446. Common about 

 Pasadena and SBer. 

 UROPAPPTJS IJBUCOCAKPUS Greene. 



"Plant of the size and habit of U. 

 laiidleyi, but ak almost w, slenderly at- 

 tenuate at summit, the narrow part 

 vacant (not filled by the sd) : w'ish 

 paleae and slender awn each about 2% 

 liilong; not rare in middle Cal.' 

 Greene, Brythea 1:260. 

 UROPAPPUS LINDLEYI Nuttall. 



Stout, 2-4 dm hi: peduncles scarcely 

 thickened under the hd: Ivs 3-5 mm 

 broad- ak brownish, 10 mm long, 

 slightly narrowed above: pappus dull 

 brown 'or sordid, 12-14 mm long: awn 

 nearly equaling the paleae, from a very 

 shallow notch. 



Nutt Am phil soc tr 7:425 (1840). 



Abrams, Fl LA 445. 



SF- SiD (Or 1053); Baja: Rosa; Cruz. 



Calais Lindleyi DC prodr 7:85 (1838); 

 T-G Fl 2:471 (1843), excl; C. lineari- 

 folia. 

 TJROPAPPUS LINEARIFOLITJS Nutt. 



Sts on peduncles usually several 



252 



from the base, erect, 2-4 dm hi, in ro- 

 bust plants thickened and fistulose un- 

 der the oblong hd; Ivs linear, 7-15 cm 

 long: 2-4 mm wide, with 2-sevefal 

 pairs of more , or less serrate salient 

 attenuate lobes: ak attenuate above 

 into a beak. 10 mm long; pappus sil- 

 very-w, 12-14 mm long, awn delicate, 

 V<> as long as the deeply notched palea. 



Nutt Am phil soc tr 7:425 (1841). 



Type locality: "in California et circa 

 FortVancouver." 



Coville, CNH 4:142. Panamint mts. 



Abrams, Fl LA 445. 



Throughout Cal.; Baja; Nevada; Ari- 

 zona; N. M. : Wash: Cruz; Rosa; Guad. 



U. grandiflorus Nutt 1. c 



Calais linearifolia DC prodr 7:85 

 (1838). 

 LACTUCA SCARIOLA L. 



Bien, glaucous; sts Ify, paniculately 

 branched, hirsute at the base or gla- 

 brous throughout, 6-15 dm hi; Ivs ob- 

 long to oblonglanceolate, spinulose- 

 margined, denticulate or pinnatifid, 

 sessile or auriculate-clasping, midrib 

 spinulose or hispid; hds 4-8 mm broad, 

 6-12fld, very num, in an open panicle; 

 inv cylindric; ligules y; ak obovate- 

 oblong, about equaling the filiform 

 beak: pappus w. Eu. 



Abrams, Fl LA 450. Rather common 

 in LA. 



Genus AXTHEMIS Linnaeus. 



Ann or per ill-scented branching 

 herbs, with finely dissected alt Ivs, and 

 raaiate hds solitary on terminal peds: 

 inv hemispheric, its bracts imbricated 

 in several series, scarious-margined, 

 appressed, the outer shorter: receptacle 

 convex or conical, chaffy at least to- 

 ward the summit; the chaff subtending- 

 the disk-fls: ray-fls pistillate, fertile 

 or neutral, w or y: disk-fls perfect, y, 

 limb 5-cleft: ak oblong, ribbed or 

 striate; pappus 0. 

 ANTHEMIS COTULA Linn. 



L, sp PI 2:894 (1753). Eu. 



Ann glabrous or sometimes pubes- 

 cent above, glandular, much branched, 

 2-6 dm hi; Ivs mostly sessile, finely 1-3- 

 pinnately dissected into narrow acute 

 lobes; hds about 2 cm broad, including 

 rays; these 10-18, w, neutral, mostly 3- 

 toothed; receptacle conic, its chaff 

 bristly, subtending the central fls; ak 

 10-ribbed, rugose or glandular-tuber- 

 culate. 



Parish Zoe 1:59. 



Abrams, Fl LA 434. Common in 

 moist places in all our valleys. Native 

 of E-u. Ap-My. 



Genus COTULA Linnaeus. 



Low an or per herbs with alt lobed 

 or dissected Ivs, and slender peduncled 

 discoid short-hemispheric hds: inv 

 bracts in about 2 s>, g'ish: receptacle 

 naked, flat or nearly so:* marginal fls 

 pistillate and apetalous: disk-fls 4- 

 toothed, fertile or sterile: ak pedicel- 

 late, compressed, spongy-margined or 

 narrowly winged: pappus 0. 



