324 CICHORIACEAE. Vor. III. 
3. Agoseris cuspidata (Pursh) D. Dietr. 
Prairie False Dandelion. Fig. 4083. 
Troximon cuspidatum Pursh, Fl. Am. Sept.742. 1814. 
Troximon marginatum Nutt. Gen. 2: 128. 1818. 
Agoseris cuspidata D. Dietr. Syn. Pl. 4: 1332. 1847. 
Nothocalais cuspidata Greene, Bull. Cal. Acad. (II.) 
2:55. 1886. 
Leaves linear, long-acuminate, thick, pubescent 
or glabrate, 4’-8’ long, 2-5” wide, somewhat con- 
duplicate, their margins conspicuously white-to- 
mentose and crisped, or entire. Scape stout, to- 
mentose, at least above, shorter than or equalling 
the leaves; head 1’-2’ broad; involucre usually 
quite glabrous, nearly 1’ high; achenes slightly 
contracted at the summit; about 3” long, beakless; 
pappus of 40-50 unequal bristles. 
In dry soil, on prairies and rocky hills, Illinois to 
North Dakota, Nebraska, Kansas and Colorado. 
Called also false dandelion. April-June. 
20. SITILIAS Raf. New Fl. N. A. 4:85. 1836. 
[Pyrrnopaprus DC. Prodr. 7: 144. 1838.] 
Annual or perennial herbs, with alternate or basal leaves, and mostly large, solitary or few 
heads of yellow flowers, borne on long, usually bracted peduncles. Involucre oblong or cam- 
panulate, its principal bracts in I series, nearly equal, slightly united at the base, with several 
series of smaller outer ones. Rays truncate and 5-toothed at the summit. Anthers sagittate 
at the base. Style-branches short, obtusish. Achenes oblong or fusiform, mostly 5-ribbed, 
roughened or hirsute, abruptly narrowed into a long filiform beak. Pappus of numerous 
soft simple brownish somewhat unequal bristles, surrounded at the base by a villous white 
ring. [Name unexplained.] 
Six known species, natives of North America and Mexico. Besides the following, 3 others 
occur in the southwestern United States. Type species: Sitilias caroliniana (Walt.) Raf. 
Stem leafy, usually branched; plant glabrous, or nearly so. 1. S. caroliniana, 
Scape naked, monocephalous; plant hirsute, or pubescent. 2. S. grandiflora. 
1. Sitilias caroliniana (Walt.) Raf. Leafy-stemmed False Dandelion. Fig. 4084. 
Leontodon carolinianum Walt. Fl. Car. 192. 1788. 
S. caroliniana Raf. New FI. N. A. Part 4, 85. 1836. 
Pyrrhopappus carolinianus DC, Prodr. 7: 144. 1838. 
Annual or biennial, glabrous or nearly so; stem 
leafy, usually branched, 2°-5° high. Basal leaves 
oblong or oblong-lanceolate, pinnatifid, lobed, 
coarsely dentate or some of them entire, acute, 
acuminate, or obtusish, 3’-8’ long, 4’-14’ wide, 
narrowed into margined petioles; stem leaves ses- 
sile or partly clasping, the upper usually lanceo- 
- late, entire and acuminate; peduncles usually pu- 
berulent; heads 1 or several, 1’-13’ broad; invo- 
lucre commonly puberulent or pubescent, about 1’ 
high, its outer bracts setaceous or subulate, spread- 
ing, the inner corniculate at the apex; achenes 
2”-3” long, tipped with a filiform beak of about 
three times their length. 
In dry fields, Delaware to Florida, Kentucky, Mis- 
souri, Louisiana and Texas. April-July. 
