ORDEll LXVIII. COMrOSITvE. 359 



lanceolate leaves, pappus scabrous. — White. If. Aug. — Sept. Rich 

 soils. Mid. and upper Car. and Geo. 2 — 3 feet. 



7. E. sessifo'lium, (L.) Ston somewhat angled. Leaves sessile, am- 

 plexicaul, rounded at the base, doited beneath, opposite, serrate. Flow- 

 ers in terminal corymV)d; peduncles pubescent. — White. If. Aug. — 

 Sept. Mountains. 2 — 3 feet. 



8. E. trunca'tum, (Muhl.) Stem erect, pubescent, particularly to- 

 ward the summit. Leaves sessile, araplexicaul, lanceolate- serrate, gla- 

 brous on the u])per surface, pubescent along the veins, beneath dotted, 

 ti'uncate at the base ; involucre pubescent. — White. If. Aug. — Sept. 

 Mountains. 2 — 3 feet. 



9. E. al'bum, (L.) Stem erect, striate, villous; lower leaves opposite, 

 the upper alternate, all pubescent, coarsely toothed, sessile, lanceolate. 

 Floioers in fastigiate corymbs ; involucre 10-leaved, the 5 intez'ior long, 

 white, with glandular dots. Seed furrowed, pappus scabrous. — White. 

 If. Aug. — Sept. Poor soils. Common. 2 — 3 feet. 



10. E. tarviflo'eum, (Ell.) Stem erect, pubescent. Leaves sessile, 

 lowei" ones opposite, upper ones alternate, lanceolate, serrate toward the 

 apex, entire and alternate at the base. Flowers in terminal corymbs ; 

 involucre w^ith the interior leaves ligulate, the exterior small, all pubes- 

 cent, dotted. Seeds angled. — White. If. Sept. — Oct, Southern 

 Georgia. 1 — 2 feet. 



11. E. scab'ridum, (Ell.) Stevi pubescent, with the lower branches 

 brachiate, the upper ones alternate. Leaves sessile, ovate-lanceolate, 

 opposite, serrate toward the summit, acute, and entire at the base. 

 Flowers in corymbs ; involucre with acute lanceolate leaves, dotted. 

 <S'(?fc/ angled. — White. If. Aug. — Oct. Dry soils. Common. 2 — ft. 



12. E. rotundifo'lium, (L.) Stem pubescent. Leaves sessile, decus- 

 sate, deltoid, obtusely serrate, slightly scabrous, glaucous. Flowers in 

 fastigiate corymbs; involucre with pubescent, acute scales. Seed an- 

 gled; pappus scabrous. — White. 2^. July — Sept. Di'V pine-barrens. 

 2 — 3 feet. Wiid-liorehoinid. 



13. E. verben^fo'lium, (Mich.) Stem erect, pubescent. Leaves ses- 

 sile, decussate, coarsely toothed, dotted, hairy on the under suiface, 

 somewhat deltoid. Flowers in corymbs; involucre with hairy, lanceo- 

 late haves. Seed Ax\g\ed ; pappus scabrous. — White. If. Aug. — Sept. 

 Damp soils. 2 — 3 feet, E. tcnuifolhun, WiUd. 



14. E. puBEs'cENS, (Muhl.) Stem erect, pubescent, lower branches op-, 

 posite, upper alternate. Leaves sessile, ovate, alternate at tlie summit, 

 obtuse at the base, slightly scabrous; the lower doubly serrate and op- 

 posite, the upper slightly serrate and alternate. Flowers in fastigiate 

 corymbs ; involucre with hairy, linear-lanceolate leaves. Seed angled ; 

 pappus scabrous. — White. If. Aug. — Oct. Sandy woods. 2 — 3 ft. 



15. E. cuneifo'lium, (Willd.) Stein erect, pubescent. Leaves obo- 

 vatc, lanceolate, petiolate ; lower ones obtusely sen-ate, the upper with 

 few serratures toward the apex. Flowers in corymbs. Ltvolucrt 8 — 

 10-leaved. — W^hite. If. Aug.— Sept. 10—12 inches. 



b. Involucre many-fowercd. 



16. E. perfolia'tum, (L.) Stem erect, striate, villous, covered with 

 glandular dots ; lower leaves perfoliate, tapering from the base to the 

 Bummit, serrate, pubescent on the ujiper .surface, toniGntosc beneath. 



