126 COMPOSITAE 
at tip with long white hairs ; rays about 10-21, golden yellow, 1-2 cm. long, wedge-shaped ; ea 
about 6 mm. long, silky- villous s except to ward m margin and villous- rine pappus- shih tea 
mm. Tong "hailed: linear, subentire, villous at base, connected bid a thick yellowish crown. 
Sandy desert places, mostly Lower Sonoran Zone; southern Utah and southern Nevada southward through 
the ine td Mojave Desert and Death Valley region to the Culcesds: baa ane northeastern Lower California; 
a to southern Arizona and adjacent Sonora. Type locality: Califor Jan.—May. nae headed Sun- 
flow 
2. Geraea viscida (A. Gray) Blake. Sticky Geraea. Fig. 5179. 
Encelia viscida A. Gray, Proc. Amer. Acad. 11: 78. 1876. 
Geraea viscida Blake, op. cit. 49: 357. 1913. 
Stout perennial, the stems numerous from the crown of a thi ck, conical, vertical root and up 
to 8 dm. high, simple or branched, shee thier oagraree and spreading- villous, v ery leafy. Lowest leaves 
scale-like or small and spatulat obovate, narrowed into a saniiastthesten base, yo others ovate, 
oval, b ‘ Qc g, ide, acute or obtuse, sessil rdate-clasping, 
oarsely dentate or serrate to entire, somewhat triplinnerved well above base etude: and villous 
especially on costa beneath ; heads few, discoid, 1-3 c ck, pedunculate ; involucre abo -seri- 
ate, graduate or subequal, 11-15 mm. high, the p hyllaries ovate to elliptic or oblong-ovate, obtuse 
or acutish, densely g landular, sparsely ciliate; achenes about 8 mm. long, awns about 5 mm. lon ng, 
linear-lanceolate, aie below, hirsutulous above. 
Dry hills, Upper Sonoran Zone; southern San Diego County, California, and adjacent northern aes. ost 
fornia. Type ‘locality ; near Larkin’s Station, 80 miles east of San Diego. Collected by Palmer. May— —Jun 
10. VERBESINA L. Sp. Pl. 901. 1753. 
Herbs, shrubs, or rarely trees, yaeelly pubescent. Leaves usually opposite at least below, 
entire, toothed, or pinnatifid. Heads small to rather large, radiate or discoid, usually yel- 
low. Involucre 2- to sexera tee meaty graduated, at least the outer phyllaries usually 
e oni 
EN ra of about as S| bia American. iniden the libs about 9 i occur in the southern 
United States. Type speci pe ogh ap alata L,. 
1. V. dis. 
A im Seite exauriculata. 
Leaves green on both sides, sessile or subsessile. 
T rer ee t 1 1 A rope ee | 
g 3 petiol 
1. Verbesina dissita A. Gray. Big-leaved Crownbeard. Fig. 5180. 
Verbesina dissita A. Gray, Proc. Amer. Acad. 20: 299. 1885. 
Sto ees suffrutescent at base, 1 m. high or more, erect-branched above, the stem 
above, rem pfs us below, hispidulous toward the inflorescence. Leaves opposite below, sieccate 
: i i I in s 
ong, acute or acum ely 
-dentate, surrginciea veiny, firm, bright green on both sides sid gamers Sie ontae: Beg 
r leaves ovate, sessile, clasping, | heads several, veloy, large, wide, 
sercaularie cymose-panicled, on peduncles 1.5-12 cm. lon ong; i nvoluer about 3-se iate, alate 
-11 mm. high, the phyllaries obovate or spatulate ri oblong, blunt or ie inner ciate appressed, 
minutely hispidulous, the outer subherbaceous ; rays about 12, 1.5-2.5 ¢ m. long ; achen Aye Naa 
the body about 9 mm. long, broadly 2-winged, the awns ae about 3n mm. long. 
Bluffs, Upper Sonoran Zone; tal southern abternie (also reported from the San Bernardino pcesitnies) 
to northern Lower California. Type | toi: near All Saints Bay, Lower California. Collected by Orcu May 
2. Verbesina encelioides var. exauriculata Robins, & Greenm. Crownbeard. 
Fig. 5181. 
Verbesina encelioides r. exauriculata Robins. : megs Proc. Amer. Acad. 34: 544. 1899, 
Verbesina exauri cuialy ‘Cocke Nature 66: 
Ximenesia exa clases ta Rydb. Bull. Torrey aa se 154, 1906, 
Annual, lige branched at least above, 1 m. high or less, the stem cinereous-strigose. Lowest 
leaves opposite, the others alternate ; petioles of lower leaves slender, ppendaged, those of the 
upper leay 5s ten with a pair of linear to half-ovate foliaceous stipuliform endages at 
base; blades ovate to (u lanceolate, 3-10 cm. long, acut acuminate, base cuneate to 
subcorda y and irregularly toothed, rather thin, above, densely canescent-strigose 
beneath ; heads several, yellow or orange, cymose-panicled, Suen ; : lucre 
7-12 mm. high, 2-seriate, subequal or subgraduate, Bee phyllaries lance-ovate to ee, 
acuminate, subherbaceous, strigose, appressed or loo: tied: riP acte 10-15, 3-toothed or -lobed, 
1-2 cm. long achenes broadly 2-winged, pubescent, i tn ton 4-6 mm. long, the pappus of 2 short 
awns. 
