390 ORDER LXVIII. — composite:. 



pubescent, 10 — 12; pappus subulate, chaff hispid. — Yellow. If. Aug. 

 —Oct. Middle and Western Geo. 4—6 feet 



12. II. noRONicoi'DES, (Lam.) Stem brandling, hirsute above, gla- 

 brous below. Leaves ovate, or ovate lain. (.Lite, serrate, acuminate, pu- 

 beeeent beneath, nearly or quite sessile, usually opposite. Heads large, 

 chaff hairy at the summit. — Wet places. 5 — 8 feet. 



18. H. strumo'sus, (L.) Stein erect, slender, glabrous, sparingly 

 branched. Leaves opposite, narrow, tapering toward the summit, long, 

 pubescent beneath. Flowers few, terminal, small for this genus; in- 

 volucre shorter than the dfek, with fringed leaves; ray florets about 6 ; 

 pappus setaceous ; chaff pubescent. — Yellow. If. Aug. — Sept. 3 — 4 ft. 



b. Florets of the disk yellowish. 



14. H. hirsu'tus, (Raf.) Stem simple, or dichotomously branched 

 above, hirsute, glaucous. Leaves opposite, on short petioles, ovate- 

 lanceolate, broad or narrow, entire, or slightly serrate, acuminate, sca- 

 brous, pubescent above, hirsute, pubescent beneath, 3-nerved. Heads 

 few, 12-rayed; leaves of the involucre spreading, recurved, narrow- 

 lanceolate, larger than the disk. — Yellow. If. July — Aug. Dry 

 woods. Middle Georgia. 



A very variable species, especially in regard to the leaves, varying 

 from a broad ovate-lanceolate leaf, 6 inches long 2 wide, to a very nar- 

 row lanceolate leaf 2 inches long and 4 lines wide. The lower leaves 

 often the smallest and narrowest, increasing in breadth upward. — H di- 

 ver sifolius, Ell. y H trachyphylluB, T. & G. 6 H. stenophyllus, T..<fc G. 



13. EL trcnca'tus, (Schw.) Stan glabrous, slender, simple, or divided 

 at the base. Leaves opposite, rounded at the base, ovate, serrate, ta- 

 pering toward the summit, hairy, sessile. Flowers terminal ; involucre 

 with the leaves somewhat hispid on the inner surface; ray florets 10 — 

 12; pappus subulate ; chaff of the receptacle pubescent. — Yellow. If. 

 Aug. — Oct. Western Georgia. 2 — 3 feet. H. divaricatus, L. 



16. H. divarica'tus, (Ell.) St cm glabrous, branching. Leaves ovate- 

 lanceolate, serrulate, tapering toward the summit, scabrous on the up- 

 per surface, glabrous beneath. Flowers numerous, small, in terminal 

 panicles; involucre with acute ciliate leaves ; ray florets 5 — 10; pap- 

 pus consisting of 2 hairy awns. — Yellow. If. Aug. — Sept. Mountains. 

 5 — 6 feet. //. microcephalics, T. & G. 



17. H. Sciiwkinit'zii, (T. & G.) Stem erect, pubescent, branching. 

 8 narrow-lanceolate, sparingly serrulate, almost sessile, scabrous 



above, tomentose beneath. Heads on slender canescent peduncles ; 

 scales of the involucre hairy ; rays 8 ; pappus short. — N. Car. 3 — 6 ft. 



18. 11. lokgifo'lius, (Pursh.) Stern glabrous, tinged with purple, pa- 

 niculately branched. Leaves long-lanceolate, nearly sessile, glabrous, 

 the upper ones entire, the lower ones serrate and connate. Flowers 

 at the extremities of the branches in corymbs ; involucre with nearly 

 glabrous leaves ; ray florets about 10; pappus subulate; chaff of the 

 receptacle 8-toothed. — Yellow. 2f. Sept. — Oct. In damp soils 

 Western I leo. :; — 1 feet 



19. H. bispidu'lus, (Ell.) Stem erect, scabrous. Leaves opposite, 

 ovate-lanceolate, tapering toward the summit, serrulate, slightly hispid 

 beneath; involucre with Bcabrous, ciliate leaves ; pappus subulate, pu- 

 bescent ; chaff 8-toothed. — Yellow. June — Sept. Mid. Geo. 3 — i feet. 



