CARDUACEAE 1427 
29. R. bicolor Nutt. Stem 3-9 dm. tall, dean bs of the upper leaves 
elliptie to Vp AM sometimes narrowly s of the involuere elliptie- 
laneeolate to linear: ligules of the ray 15- a ong, brown-purple at the 
base.— (NI oe HIMBLE-FLOWER. NC. da hills, and sandy soil, 
GGER-T 
various provinces, Ala. to Tex., Ark., and Tenn. —Spr.- 
30. R. Stem 3-7 dm. tall, hirsute or hispid: blades of the upper 
leaves Ae BB or lanceolate, or nearly linear: bracts of the involucre 
linear:laneeolate or linear-elliptie: ligules of e ray 20-35 mm. long: disk 
10-18 au wide.—( Y ELLOW-DAISY. LACK-EYED SUSAN. ) —Fields, roadsides, 
and a various provinces, Fla. to Okla., 5. Dak., and Que. Native mainly 
31. R. amplectens T. V. Moore. Stem 3-6 dm. tall, hispidulous: blades of 
the upper leaves elliptic: bracts of the involucres linear- -elliptie to linear-laneeo- 
late: DERE of the ray 10-20 mm. long.—Dry soil, Piedmont, Ga., and 8. C. 
—Sum 
32. R. divergens T. V. Moore. Stem 3-10 dm. tall, hirsute or hispid: blades 
of per leaves elliptic to lanceolate or egy linear bracts of the involucre 
linear or linear-lanceolate: ligules of the ray 15-3 d 
wide.—Pinelands and fields, Coastal Plain, Fla. to S. C.—Spr.—sum.—This and 
related species e used by the Seminoles as a cold infusion in eases of fever 
and headache. 
33. R. sericea T. V. cs re. Stem 5-12 dm. tall, hispid: blades of the upper 
leaves linear-lanceolate to linear, s ne lowly too the d: bracts of the involucre 
linear to aod um or Mena olate: liguies of the ray 20-40 mm. long: disk 
12— 20 m ong.—Dry w oc and fields, various provinees N of Coastal Plain, 
Ga. to Ala., MSS and S. Dak.—Sum 
34. R. longipes T. V. Moo Stem 3-10 dm. tall, hispid: blades of the 
upper leaves lanceolate to EE Fue unm entire or to othed braets of the in- 
volueres nape ea eeolate to elliptic- lanceolate: ligules of the ray 5 mm 
long: disk about 15 mm. wide.—Woods and fields, various provinces, rarely 
Coastal Plain, Ala. to Miss., Ia., and N. Y —Sum. —fall. 
35. R. Brittonii Small. Stem 5-8 dm. tall, hispid or hirsute-hispid: blades 
of the upper leaves e ovate to elliptic- -ovate, rather coarsely toothed or 
up di pou d braets of the involuere elliptie o laneeolate: ligules of the 
ray 25-35 . lon ne Wooded hill-sides, various provinces N of Coastal Plain, 
Ala. to Tenn.— um. 
36. R. en bep Stem 3-10 dm. tall, bed or hispid: blades of 
he upper lea vate or ovate-lanceolate, mostly s rrate: bracts of the E 
voluere linear ps "linear tr HE da —14 mm. long; nl o£ the ray 20-35 m 
long en Blue Ridge anim Plateau, Ga. to Ala., Tenn., iud 
Pa.—Sum.-fall. 
37. R. floridana T. V. Moo Stem 3-6 dm. tall, hispid: pod of the 
upper ipis n Coo or narrowly pandurate (very na in R. 
Kig angustifolia): bracts of p involuere elliptie to linear- ‘elliptic, "6-10 
Du ligules of the ray 10-20 mm. long, yellow, fading greenish.—Sandy 
soil, oa Plain, Fla. to Tex. and A rk.—Spr r.—fall. 
72. DRACOPIS Cass. Annual, glaucous herbs. Leaves alternate: 
blades entire or slightly toothed, elasping. Heads erect. Involuere of few 
