506 COMPOSITAE 
Brickellia Narotnay tories var. riggs (D. C. Eaton) Robinson, Mem. Gray Fas rb. i: 1917. Apr tea 
linifolia D. C. Eaton, Bot. King Ex : 137. pl. 15, figs. 1-6. 1871; B. mohavensis A. re Syn N. 
12: 104. 1884; Coleosanthus vlinifolins Kuntze, Rev. Gen. Pl. 1: 328. 1891; C. -gblonoifolins ‘inifolins oo 
Eaton) Blake, Constr: U.S. erb. 25: 534. 1925.) ‘Achenes —— hispidulous, 
In more e desert places, Upper cs Si Zone; Colorado to New Mex rthern Ari Ms gh ey th . Death 
Valley region of Inyo County, California, ‘south to eastern San gee nl Danese "Wee lohan American 
Fork, Jordan Valley, Utah. 
15. Brickellia gréenei A. Gray. Greene’s Brickellia. Fig. 5891. 
Brickellia greeneit A. Gray, Proc. Amer. Acad. 58. et 
Coleosanthus greenei Rontek Rev. Gen. Pl. 1: 189 
Stems numerous from a woody —— erect, 2.5-4.5 dm. high, simple or corymbosely 
branched above, spreading-pilose with short and long gland- pga pony throughout, the herbage 
with a strong sweetish odor. Leaves Fase petioles 4 mm. lon ; blades ovate, 1-3 cm 
long, ie pride serrate to entire, glan Sau “barn wy igh, 60-flowered, 
solitary a sofs and branches, involucrate-bracted by the uppermost leaves; proper phyl- 
laries nears alee i acuminate, essentially glabrous; corollas ochroleucous ; ad Ba hispidu- 
lous above 
velly ri rocky mountain sides, Transition Zone; Josephine County, Oregon, south through 
the Si ake iyou face on to Ghee = and caleert Humboldt Counties, Californta. Type locality: south branch 
of Scott River, California. July—Aug 
Tribe 9. CYNAREAE* 
Heads 1-flowered, numerous, aggregated into dense, a capitate clusters. 135. Echinops. 
Heads few- to many-flowered, not forming spherical cluste 
Rea of achenes (‘“‘hilum’’) pase pappus Lsehingie , deciduous (or the inner series of bristles more 
or less persistent in Saussurea) ; s homogam e flowers alike and perfect 
Leaves neither spinose nor ae "obed, the — — thistle-like; pappus- Acistles free at least in the 
outer series 
ig linear or linear-lanceolate, the outer and middle tipped with an uncinate py Pah Sala 
ose, 136. 
Phyllaties aa ovate to lanceolate, acute, unarmed; receptacle naked or ees TH pe 
ait 
Leaves usually spinose and paenly a to pinnatifid, the plants pore thistle-like; pappus- aie 
united at the base into a low r 
Receptacle deeply tess the si setae; bordered, not densely setose. 139. Onopordum. 
2 aa Ganeckt 
tulose, not plu 
i: hekees mottled with Sih along eae veins; iighytipeies with a we et pinnately spinose 
appendage. . Silybum. 
Leaves not white-mottled; phyllaries entire, gradually narrowed to a spinose apex 
143. Carduus. 
esd Hin plumos 
Leaves very farkee Sicieda large, the phyllaries numerous, broad, imbricate; —— fleshy. 
141. ynar 
Leaves usually small or medium; heads small to large, the phyllaries usually narrower, 
frequently sprea ting: prs te not fleshy. 142. Cirsium 
caaamagr oe: cal of achenes lateral; pappus, when present, consisting of free bristles or paleae, setsutent or 
Phyllaries with a foliaceous blade, the Liles hee and leaves usually spinose or sotenioee Comets 2 heads 
thick. 140 t 
Phyllaries not foligceous, either F spinose or bhai heads ee rie sea — the outermost 
flowers sterile, or s the head homogamous; achenes terete o mpresse 
Achenes compressed, ak or rugulose. not = toothed at apex; pappus eset or lacking, not in 
series of 10; leaves not spinose or bristly. 144, Voumatie 
Achenes terete, 20- Pibed. 10-toothed at apex; pappus in 2 series of 10 bristles med pot eplanione. 
14 
135. ECHINOPS L. Sp. Pl. 814. 1753. 
Annual, biennial, or perennial, arachnoid-tomentose herbs with more or less spiny 
leaves. Leaves pinnately divided with the larger divisions again once- or twice-lobed or 
-parted, the uppe ile by road clasping base, the lower with blades narrowly de- 
current along a petiole-like base. Heads 1- ered, numerous, aggreg t m a com- 
pact, spherical, itate inflorescence that is terminal on le-like stems, the heads 
deciduous at maturity. Phyllaries very numerous in many series attac to an elongate, 
stipe-like receptacle, the lowest phyllaries bristle-like le-like, chartaceous, pass! 
gradually into broader, herbaceous-tipped p ie the mi ppermost phyllaries 
attenuate-spinose, pectinate-fimbriate with margina istles. Corolla deeply 5-parted, 
dages. St tyle hairy at the base of the branches. Achenes elongate, little-com 
pressed, hairy, remaining attached to the receptacle and falling eload by the husk- like 
involucre. Pappus paleaceous, forming a low crown on the top of the achene, the paleae 
* Text of Cynareac contributed hy John Thomas Howell. 
