ORDER LXVIII. — COMPOSIT.C. 



2. H. angustifo'lius, (L.) Stein pubescent, slender, sparingly branched 

 Leaves narrow-lanceolate, with revolute martrins, scabrous on tlie upper 

 surface, pubescent benoath, lower ones o])posite, upper ones alternute. 

 Flotcers terminal ; ray florets about 12 ; pappus setaceous, ciliate. — Yel- 

 low. 2;. Aug.— Oct. N. Jei-.— Flor. 2—3 feet. 



3. H. rad'ula, (T, &, G.) Stem erect, simple, hirsute, bearing a single 

 head. Leaves opposite, obovate, or spatulate, entire, hispid, sessile, or 

 nearly so. Scales of the involucre lanceolate, purple ; pappus 1 — 2 

 awns. Achenia compressed ; rays 7 — 10. — 0. Geo., Ala., and Flor. 

 Aug. — Sept. 1 — 3 feet. 



4. H. heterophyl'lus, (Nutt.) Stem slender, simple, hispid below. 

 Leaves hispid, lower ones oval or elliptical, upper lanceolate or linear ; 

 all nearly sessile. Heads large; rays 14 — 18. — .©. N. Car. and Flor. 

 Dry soil. 1—2 feet. 



5. H. atroru'bens, (L.) Stem hispid, naked toward the summit, pa- 

 niculately branched. Leaves opposite, spatulate, acute, crenate, sca- 

 brous on the upper surface, pubescent beneath, those toward the base 

 A-ery long, upper ones small, sessile. Flowers in terminal panicles ; in- 

 volucre many-leaved, ciliate; ray florets lanceolate, nerved. Seed com- 

 pressed : pappus 2 long deciduous awns ; receptacle convex, with the 

 chaff 3-cleft at the summit. — Yellow. U. Sept. — Oct. Dry soils. 

 Common. 3 — 4 feet. 



6. H. scaber'rimus, (EH.) Stem scabrous, sliichtly branched. Leaves 

 opposite, lanceolate, scabrous, nearly entire, whitish. Flowers few ; in- 

 volucre with ciliate leaves; ray florets from IG— 20 ; pappus subulate. 

 —Yellow. Sept.— Oct. Western Geo. 



"t. H. TRicus'pis, (Ell.) Stem scabrous. Le ivrs opposite, ovate- 

 lanceolate, scabrou.s, whitish on the Tipper surf.ice, brownish beneath, 

 with revolute margins. Flowers terniiiial ; involucre with subulate 

 leaves; ray florets 14 — 16; pappus subulate.— Yellow. U- Sept. — 

 Oct. . Western Georgia. 3—4 feet. 



8. H. mol'lis. (Willd.) Stem glabrous toward the base, scabrous at 

 the summit, purple. Leaves ovate-lanceolate, acute, serrate, pubescent 

 beneath, lower ones opposite, the upper alternate. Floivers in a termi- 

 nal panicle; involucre with numerous, pubescent, ciliate leaves; ray 

 florets about 10, hairy ; pappus acuminate, pubescent. — Yellow. 1(. 

 July — Aug. Common. 3 — 6 feet. 



9. H. gigan'teus, (L.) Stem somewhat scabrous toward (he summit, 

 branching. Leaves alternate, lanceolate, serrate, scabrous, tapering at 

 each end, on short petioles, ciliate at the base. Flowers in terminal 

 panicles; involucre many-leaved, fringed ; ray florets*! 2 — 14; j)appus 

 subulate. — Yellow. 2f . Aug. — Oct. Mountains. 5—8 feet. 



10. H. TOMEXTo'sus, (Ell.) Stem pubescent, ecabrou-s branched. 

 Leaves long, ovate-lanceolate, tapering toward the summit, serrulate, 

 scabrous on the upper surface, tomentose beneath, upper leaves alter- 

 nate. Flowers terminal ; involucre with long, ciliate leaves, sunnnit.'^ 

 hispid; ray florets 10 — 14; pappus subulate; chaff 3-cleft, hairy to- 

 ward the summit— Yellow. IC. Aug.— Oct. Western Geo. 4— C ft. 



11. H. spathula'tus. (Ell.) Stem strisiie, scabrous toward the suninnt 

 sparingly branched. Leaves opposite, ovate, spatulate, tapering toward 

 the summit, on short petioles, pubescent beneath. Flowers at the ex- 

 tremities of the branches ; involucre with subulate leaves ; ray floreU 



