568 COMPOSITAE 
He Sa ewegele bolanderi A. Gray. Bolander’s Dandelion. Fig. 5980. 
PI | A. Gray, Proc. Amer. Acad. 7: 364. 1868. 
Acaulescent: with a stout perennial root, glabrous throughout. Leaves narrowly ——- 
linear-lanceolate, or some linear-oblanceolate, “iain e on the simple or branched, woody root-cro 
slightly aecaicer 8-20 ¢ ng; scape 10-25 cm. 1 2 owered; involucre a 
m. lo out 1 cm. ar 
diameter ; phyllaries linear-lanceolate, 6-7 mm. long; ligules yellow, well peep 
achenes ‘somewhat 4-angled, truncate at both ends, about 3 mm. lon 
Wet meadows, Arid Transition and Canadian rene — ont of the Sieers Nevada in Mariposa and 
Madera Counties. Type locality : ““Westfall’s Meadows, above Yosemite Valley, alt. 8,000 feet.” June—Aug. 
Phalacr — boland ar. coronata H. M. H all, "Bot. nth ng 393. suit. " Rhanels resembling the typical 
ecies in kg habit bu “3 ivheues with a short crown. Western slopes of the gly Bold lair from a —— 
amas to Fresno County, California. Type locality: Pine Ridge, Sierra Nevada, alt. 5,4 eet, Fresno County. 
155. CHAETADELPHA A. Gray, Proc. Amer. Acad. 9: 218. 1874. 
Perennial herbs with a deep-seated rootstock, many-branched from the base and dicho- 
tomously branching above. Leaves alternate, linear or linear- lanceolate. Heads 5-flowered, 
solitary at the ends of the branchlets. Phyllaries 5, keeled at the base, membranous, sub- 
tended by 5c estat bractlets. Receptacle naked. Achenes 5-angled. Pappus persistent, 
the bristles 5, rigid, branched from the base and also about one-half their length into slender 
a ra the ulti cae aes oT and surpassing the involucre. [From the Greek 
=~ meaning bristle and s 
he western = of the Great Basin, 
1. Chaetadelpha wheéleri A. Gray. Chaetadelpha. Fig. 5981. 
Ew 
Chaetadelph heelert A. Gray, Proc. Amer. Acad. 9: 218. 18 
Glabrous peer bags 4 branching above, 1-3 dm. high. eg i glaucous, 2-5 cm. long, 
es h; phyllar Feds igh, the subbending calyculus of 5 bractlets 2-3 mm. long; flowers 
ordid-white or ak : 2 ial £10 mm. long, the 5 pappus- Srtsties cen. as long as or 
ae ea the achen 
Desert valley Satcas Upper Sonoran Zone; southern Malheur County, Oregon, south through western 
donc a hg adjacent Inyo County, California. Type locality: ‘Southern Nevada.” Collected by Wheeler. 
156. LYGODESMIA D. Don, Edinb. New Phil. Journ. 1829: 311. 1829 
Perennial or annual, glabrous or pubescent phe: branched, and in 1 species spinescent. 
Leaves linear and entire or the lower and basal ones broader and sometimes pinnatifid, the 
uppermost sometimes rice to ee a werk pink or purple, solitary, and erect at the 
ends of the branches or sometimes racemose. Involucre cylindric, the phyllaries 5-8, equal, 
at the base. Style-branches slerder. Achenes beakless, few-ribbed, cylindric or nearly so 
or angled and linear, the pappus of eilary ‘beictles. [Name from Greek words meaning 
pliant twig and bundle, from the numerous branches. ] 
mS a genus of about 6 species, natives of western and Bic North America. Type species, Prenanthes juncea 
urs 
Perennial, with rigid spine-tipped b hes; pappus-bristles tawny, 6-10 mm, Jong. 1, L. spinosa, 
Annual, the very slender branches not spine-tipped; pappus-bristles white, 2-2.5 mm. long. 2. L. exigua. 
1. Lygodesmia spindsa Nutt. Thorny Skeleton-plant or Spiny Lygodesmia. 
Fig. 5982. 
Lygodesmia spinosa Nutt. Trans. Amer. Phil. Soc. II. 7: 444. 1841. 
Stems several from a branching woody root-crown, with oo tufts of wool at base, 
om hie 5- fice 
rose-colored, wet exserted; achenes mm. long, d an be Hy lightly. fie Haha 
toward the apex ; pappus tawny, 6 mm. Jobe short-plumo ore. 
Dry plains and = Treg 8 slopes, y Upper Sonoran Mon and British a “rr to 
porthern Popes Sao } occu g in the Pacific, ‘Secs in ag tay oo otk Malheur Counties, rere 
nia i. | o east of the at id Nevada to Es my Gabriel (Swartout Canyo pie a Ber- 
nardino GBalaetn Lake) Mountains. Type locality: ‘In the y Mountain plains towards California.” June— 
2 Lygodesmia exigua A. Gray. Annual Lygodesmia or Egbertia. Fig. 5983. 
th. A. Gray, Smiths. Contr. 5¢: 105. 1853. 
Sendvsnid octane A. Gray, Proc. Amer. Acad. 9: 217. 1874. 
Stephanomeria minima M. E. eg Conte. West. Bot. No. 17: 31. 1930. 
