190 DICOTYLEDONOUS. 



ly branched. Leaves opposite, spatulate, acute, crenate,'scabrou- on the up- 

 per surface, pubescent beneath, those towards the base very long, upper ones 

 small, sessile. Flowers in terminal panicles; involucre many leaved, ciliate ; 

 ray florets lanciolate, nerved. Setd compressed. Pappus 2 long, deciduous 

 awns. Receplncle convex, with the chafl" 3-cleft at the summit. 

 Yellow. %. Sept.— Oct. Dry soils. Comni n. 3-4 ft. 



2. H. Spausifolius. Slan scabrous, with long slender branches, nearly 

 glabrous. Leaves opposite, ovate, coarsely toothed, hispid, scabrous, iW up- 

 jier ones nearly sessile. Flowers in loose panicles ; involucre with the leaves 

 finely ciliate: ray florets about 14; pappus subulate. 



Yellow. % August — Oct. Western Ga. 



3. H. AxGUSTiFOLiA. S'f'wi pubesccut slender, sparingly branched. Leaves 

 narrow-lanceolate, with revolutc margins, scabrous on the upper surface, 

 pubescent beneath, lower ones opposite, upper ones alternate. Flowers ter- 

 minal ; ray florets about 12 ; pappus setaceous ciliate. 



Yellow. n\ August— Oct. 2-3 ft. 



(?).) Florets of the dish yellowish. 



4. H. Trtjncattjs. Stem glabrous, slender, simjjJe, or divided at tije base. 

 Leaves opposite, rounded at the base, ovate, serrate, tapering towards the 

 summit, hairy, sessile. Flowers terminal ; involucre, with the leaves some- 

 what hispid on the inner surface ; ray florets 10-12; pappus subulate; chafT 

 of the receptacle pubescent. 



Yellow. % Aug.— Oct. Western Georgia. 2-3 feet. 



5. H. LoxGiFOLius. >S'^em glabrous, tinged with purple, panicu'afely branch- 

 ed. Leaver l(jng-lanceolate, nearly Sf-ssile, glabrous, tlie upper ones entire, 

 thelower ones seriate and connate. Flowers at the extremities of the l)ranch- 

 es in corymbs; involucre with nearly glabrous leaves ; ray florets about 10 ; 

 pappus subulate; chaff of the receptacle 3-toothed. 



Yellow. %. Sept. — Oct. In damp soils. Western Ga. 3-4 feet. 



6. H. PuBEscENS. S/e;.'i erect, pubescent, hoary, nearly simple. Leaves 

 sessile, cppooite, cordate-ovate, pui)escent, with scabrous margins. Flowers 

 at the extremities of the branches; involucre with villous, nearly subulate 

 scales ; ray florets lanceolate, 14-16. ^eed compressed, pappus 2 subulate 

 scales ciliate. 



Yellow. %. Aug.— Sept. Middle Georgia. 2-3 feet. 



7. H. Mollis, ^tem glabrous towards the base, scabrous at the summit, 

 purple. Leaves ovate-lanceolate, acute, serrate, pubescent beneath, lower 

 ones opposite, the upper alternate. Flowers in a terminal panicle ; involucre 

 with numerous, pubescent, ciliate leaves ; ray florets about 10, hairy ; pappus 

 acuminate, pubescent. 



Yellow. %. July — Aug. Common. 3-6 feet. 



8. H. HispinuLus. S/em erect, scabrous. Leaves opposite, ovate-lanceo- 

 late, tapering towards the summit, serrulate, slightly hispid beneath; involu" 

 ere with scabrous, ciliate leaves : pappus subulate, pubescent ; chaff'3-tootlied. 



Yellow. .Tune. — Sept. Middle Georgia, common. 3-4 feet. 



9. H. Strum.'SUS. ^tem erect, slender, gla!)rous, sparingly branched. — 

 i^at'es opposite, narrow, tapering towards the summit, long, pubescent be- 

 neath. Flowers few, terminal, small for this genus ; involucre shorter than 

 the disk, with fringed leaves; ray florets about 6 ; pappus setaceous; chaff 

 pubescent. 



Yellow, ^-f. Aug.— Sept. 3-4 feet. 



10. H. Tea'ujfolius. S/cm erect, glabrous. Leaves opposite, on rather 

 long petioles, ovate-lanceolate, somewhat tapering at the base, coarsely ser- 

 rate, slightly scabrous on the upper surface, and slightly pubescent beneath. 

 Flov-ers few, tertuinal ; involucre as long as the disk, with ciliate leaves; ray 

 florets about 10; pappus subulate. 



Yellow. % August — Oc^ Western Georgia. 



11. H. Sfathulatus. S/effi striate, scabrous tovvards the summit, sparing- 

 ly branched. Leaves opposite, ovate, spatulate, tapering towards the summit, 



