202 COMPOSITAE 
the tips free and densely tomentulose within. Receptacle small, low-conic. Flowers all 
4-toothed with spreading lobes. Anthers subsagittate, Style-branches slender, scarcely 
flattened, minutely hirtellous without and at the tip. Achenes flattened, black, the callous 
margin densely hirsute-fringed. Pappus-crown of fimbriate, lacerate paleae, sometimes 
with 1 or 2 marginal awns. [From the Greek meaning around and tuft of hair, in reference 
to the achene. 
ry gh? genus of 2 species, natives of southwestern United States and Mexico. Type species, Pericome caudata 
1. Pericome caudata A. Gray. Tailed Pericome. Fig. 5328. 
Pericome caudata A. Gray, Smiths. Contr. 5*: 82, 1853. 
Larg mewhat aig pt much branched perennial, suffrutescent at base, up to 1.3 m 
high oad widely sprea aves ag lg ee agg to 5, ponlgae palmately 3- coher — ietiotes 
1-5 cm. lon = long- ca eda blades 3-5 c g, 1.5-2.5 cm. wide at the base, the larger often 
of marginal lobes ; carte Sas ot high, edede as ph phyllaries ee 20, 
linear, Siracistoud lightly connate and mostly separating in age; corollas 44.5 mm. long; achenes 
rk when mature, glabrous, with a nas oa Se white, callous margin and ipecbell callous 
base, 5 mm. long, about 0.5 mm. broad; s-paleae on the truncate apex about 1 mm. long. 
yon s| ‘‘ opes and wesnee Upper Somtran ae pier Transition Zones; in bin Pacific States nduieue pane in 
California in Inyo and Tulare Counties in the higher desert ranges and eastern face of the Sierra Nevada; extending 
eastward to Colorado and south to Detsete: New Mexico, western Texas, and por foe: Chihuahua. Type locality: 
copper mines [Santa Rita del Cobre], New Mexico.’”’ Aug.—Oct 
45. HULSEA Torr. & Gray ex A. Gray in Torr. Pacif. R. Rep. 6: 77. 1857. 
Annual, biennial, or perennial and aromatic herbs, erect and leafy-stemmed, scapose 
or subscapose. eaves alternate, entire or pinnatifid. Heads rather large, many-flowered, 
pistillate and fertile, yellow or purplish red, the rays narrow. Disk-flowers shades o 
yellow, perfect and fertile ; tube slender ; throat cylindric; limb 5-lobed. Anthers aig 
sagittate; style-branches flatt tened, the minute hairy appendages obscure. Achenes sub- 
linear, somewhat compressed, more or less villous with straight hairs; pappus- gi 4, 
ine lacerate or erose. [Name in honor of Dr. G. W. Hulse, who collected in Cali- 
fo 
us onl 8 or 9 species, all natives of western North America. Type species, Hulsea californica Torr. & 
for ex = Gray 
Leafy-stemmed annuals and biennials (perennial in H. brevifolia) ; basal leaves few, not persisting after anthesis. 
Basal and lower stem-leaves (as well as upper leaves) green and glandular 
Rays 50-70, mostly purplish red, 1 mm. or nies wide; stems stout and Kandi. 1. H. heterochroma. 
Rays 10-17, yellow, 1.5—2 mm. wide; stems slender 2. H. brevifolia. 
Basal and lower stem-leaves white, Piven the inet green and glandular. 3. H. californica. 
Scapose or subscapose perennials (branched a n H. callicarpha); basal leaves many, persisting after anthesis. 
Herbage, especially the leaves, “= ged with wooly villous hairs (glandular hairs when present not obvious); 
rays yellow on inner surface, reddish 
Flowering stems branched, ee em. high. 4. H. callicarpha. 
g unb: cm. high. 
Leaves s eae dentate or lobed, rather sparsely white-villous; plants of viteomy ae A i eon ag moun- 
Leaves pus or somewhat crenate, densely white-villous; plants of the Sierra ear 
6. H. vestit 
Herbage = and glandular, the woolly-villous hairs when present not conspicuous; rays chee” on both 
surfaces. 
Flowering stems naked; phyllaries lanceolate- oblong 7. H. nana. 
linear- dancediite. 8. H. algida. 
ae 
1. Hulsea heterochréma A. Gray. Red-rayed Hulsea. Fig. 5329. 
Hulsea heterochoma A. Gray, Proc. Amer. Acad. 7: 359. 1868. 
Stout aromatic biennials or perennials, 4-15 dm. high; stems 1 to few, leafy, hepalets, simple 
below, branching above at the inflorescence; herbage green, more or less viscid-villous through- 
out. Leaves 3.5-10 cm. long, 1-3 cm. wide, oblong, saliently toothed, the basal leaves with a broad 
ioliform base, soon withering, the stem-leaves s essile at least at midstem, longer than the 
serie | heads many, with reddish purple or orange rays, corymbosely or paniculately arranged, 
the peduncle: es 2-10 cm. long; phyllaries 11 1-12 mm. long, 2-3 mm. at the broadest point, lanceolate, 
attenuate at the apex; rays 50-70 9m m. long, linear, 1 mm. or less = more or less 
1, toothed at at apex, hirsute and glandu dae: achenes 5-6.5 mm. long; pappus-paleae usually 
1-2.5 mm. long, the pai dicey soe oblon ne a truncate, cigar 
bi inaatigge aie pce n chapa: Arid Transition and Canadian Zones 
the Sierra Nevada, California, seo distae eienpds to Tulare ana ee in pea Coast Ranges a seo Santa hes 
and M Counties south to t ida acinto and og Gal — mares ain Je in tie eae Diesen ee 
Inyo County. Type rcaiey: Woccmuce iposa C June-A 
