124 COMPOSITAE 
2. Encelia frutéscens A. Gray. Bush Encelia. Fig. 5175. 
Simsia frutescens A. Gray in Torr. Bot. Mex. pero a 2 ik 
Encelia frutescens A. Gray, a Amer. Acad. 8: 657. 
Encelia frutescens f. ovata H. grasa ety att a fee 32135. 1907. 
Encelia frutescens £. radiata H. M. , loc 
Much-branched shrub up to pees high, white-barked, the branches ay eta with 
short, spreading to ap Possed hairs. Leaves short- -petioled, the blades 1-3 cm. long, 6-16 mm 
wide, oblong or elliptic to ovate, obtuse to acute entire or rarely repand- ‘edthed, triptinerved, 
green, scabrous with scattered, short, conical, tuberculate- based, white hairs; heads solitary a 
tips of branches, on pe Seige o usually , 6-12 cm. long, discoid or rarely radiate, the disk 1-2.5 ae 
0 m 1 
: sé ut mm. 
ong, villous- ciliate, sparsely pubescent on sides; pappus nba or 1-2 weak v illous a. 
act desert slopes or washes, mostl r Sonoran ree southern vada and Utah south to Arizona 
and Sonora, and in California in Inyo lig south Tcouk the Maiave fe  Coueaae Deserts. Type locality: 
ye Caliente, Maricopa County, Arizona. Mare h-Nov. Rayless Encelia. 
3. Encelia virginénsis A. Nels. Virgin River Encelia. Fig. 5176. 
Encelia virginensis A. os Bot. Gaz. 37: 272 
Encelia frutescens £. virginensis H. M. Hall, aie: Calif. Pub. Bot. 3: pa 1907. 
Encelia frutescens var. virginensis Blake, Proc. Amer. Acad. 49: 364. 19 
Much-branched, shrubby-based perennial up to 1 m. or more hi gh, the — of the stems 
spreading-hispidu lose and za glandular, becoming glabrous on the older stems. Leaves short- 
petioled, the blades 1-2.5 cm. ae: deltoid-ovate to ovate, triplinerved, pi Saag il cinereous 
with sparse or sometimes more abundant appressed hairs and mixed on both surfaces with ascend- 
r i radi i up to 
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velly slopes and washes, Sonoran Zones; southwestern Utah and southern Nevada as — Arizona 
and occurring rather sparingly in the Death Valley region, ae oust, California, and m abundant sputh- 
ward in eastern San te Nig shoal County. Type locality: ‘‘The kets,” Virgin River, solithers Nevada, Col- 
lected nia Gooding April- Fi 
lia virginensis subsp. actonii (Elmer) Keck, Aliso 4: 101. 1958. (Encelia pee Elmer, Bot, Gaz 
39 £47, er 905; E. fritescens f ced - M. Hall, Univ. Calif. Pub. Bot. 3: 135. 1907; Wp ep ibd se var. actonit 
Blake, Proc. Amer. Acad. 365. Like the preceding in habit; leaves 1.5—4 4.5 ¢ .. long, ovate or some- 
er 
eads 
mostly larger, the phyllaries more densely pubescent and scarcely ead: rays. —3 cm. long. pF ede or gravelly 
slopes and washes, Kern County, California, in the sou uthernmost Sierra Nevada south to eastern San Die 
County and the desert ranges east of the Sierra Nevada in Mono and Inyo Counties and adjacent Nevada ec 
to northwestern Arizona. Type locality: Acton, a oe County, California, Intermediate forms between 
this taxon and E. virginensis subsp. virginensis a infrequently found and in the area about Palm Springs, 
Riverside County, some have been seen that spoceach E. pinta 
4. Encelia californica Nutt. California Encelia. Fig. 5177. 
Encelia californica Nutt. Trans. Amer. Phil. Soc. IT. 7: 357. 1841 
Much-branched, shrubby-based perennial up to 1 m. or occasionally 3.6 m. high, strong-scented, 
the stem incurved-puberulous to cinereous-pilose, glabresc ent. oe es on slender petioles 0.5-3 
3-6 cm. long, 1 
cm. long, the bates lanceolate to ovate, ng, 1-3 cm. e, acuminate to obtuse, at base 
cuneate to rounded-cuneate, entire or et a 3- Sinaia ig oe sely - Gest gene 2 irvine or 
appre ssed-pubescent with soft hairs ; heads eg 5-7. pitiger vq. o= 4 f stems and 
eanstiek. long-peduncled ; involucre '2-3-seri e, 1-1.3 cm. high, ae ara tnt Ml BSR to anes 
ovate, acutish, subtomentose to dense oma! rays 14-25, yel a cm. long; S purple; 
achenes 5-6 mm. long, villous-ciliate, eilous down middle of a ef Foe pappus wantin 
n bluffs and dry slopes and canyons. Upper Son pees Rag ra coastal ranges from Santa Ba a County, 
Cutiecnie. south to northwestern Lower Californ: we. do islands off the coast; ca eastward to Riverside, 
Riverside County. Type locality: near Santa Barbara, Sante tors County. Jan.—Aug. 
9. GERAEA Torr. & Gray ex A. Gray, Proc. Amer. Acad. 1: 48. (Jan.?) 1847. 
Annual or perennial herbs, glandular pe spreading-pubescent. Leaves alternate, obo- 
vate to ovate or the upper r linear, sessile or narrowed into margined petioles, toothed o or 
entire. Heads medium or rather large, Fahats or discoid, yellow. Involucre usually hemi- 
spheric, about 3-seriate, subequal or graduated, the phyllaries linear to long or ovate, 
herbaceous, appressed. Receptacle flattish, the receptacular bracts softly scarious, con- 
duplicate, embracing and falling with the achenes. Rays w prese eutral, ; dge- 
tuse st 
ges. Achenes cuneate, flatly compressed, villous on sides and villous-ciliate, with 
