S90 OEDEE LXY III.— COMPOSITE. 



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

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



12. H. doronicoi'des, (Lam.) Stem branching, hirsute above, gla- 

 brous below. Leaver ovate, or ovate lanceolate, serrate, acuminate, (pu- 

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

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



13. H. STRUMo'sus, (L,) Stem erect, slender, glabrous, sparingly 

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

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

 volucre shorter than the disk, with fiinged leaves; ray florets about 6 ; 

 pappus setaceous ; chaff pubescent. — Yellow, 2]!, Aug. — Sept, 3 — i ft, 



h. Florets of the dish yellowish. 



14. H, niRsu'xrs, (Raf ) Stem simple, or dichotomously branched 

 above, hirsute, glaucous. Leaves op|)osite, on short petioles, ovate- 

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

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

 few, r2-rayed; leaves of the involucre spreading, recurved, narrow- 

 lanceolate, longer than the disk. — Yellow. 2^. 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 ver\' 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 sif alius, Ell. Y H. trachyphyllux, T. (fe G. ^ H. stenophyllus, T. &, G. 



15. H. tru.n'ca'tus, (Schw.) Stem 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. //. divaricatus, L. 



16. H. divarica'tus, (Ell.) >S/<??7i glabrous, branching. Leaves orate- 

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

 per surface, pubescent 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. 5 — 6 feet. 



H. microcephalus, T. <fe G. 



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

 Leaves narrow-ianceolate, 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. H. longifo'lius, (Pursh.) Stem glabrous, tinged with purple, pa- 

 niculately branched. Leaves long-laneeolate, nearly sessile, ghibruus, 

 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; cliaff of the 

 receptacle 3-toothed. — Yellow. If. Sept. — Oct. In damp soils 

 Western Geo. 3 — 4 feet. 



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

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

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

 bescent ; chaff 3-toothed. — Yellow. June — Sept. Mid. Geo. 3 — 4 feet. 



