240 COMPOSITE, (composite family.) 



imbricated, rigid, narrowly lanceolate, longer than the flowers. — Sandy and 

 barren places, pine barrens of Long Island to Va., and southward. 



Var. SUbvenosum, Gray. Less rough; leaves 1 - 2' long, finely toothed 

 and less veiny. — Long Island and N. J. 



5. E. leucolepis, Torr. & Gray. Minutely pubescent, simple (1-2° high) ; 

 leaves linear -lanceolate , closely sessile, \-nerved, obtuse, viinutely serrate, rough 

 both sides ; corymb hoary — Sandy bogs. Long Island, N. J., and southward. 

 = = Scales not scarious or obscurely so, obtuse, at length shorter than the flowers. 



6. E. hyssopifblium, L. Minutely pubescent (1-2° high); leaves 

 narrow, linear or lanceolate, elongated, obtuse, 1 -3-nerved, entire, or the lower 

 toothed, often crowded in the axils, acute at the base. — Sterile soil, Mass. to 

 Va., E. Ky., and southward. 



Var. laciniktum, Gray. Leaves irregularly and coarsely toothed or 

 laciniate. — Penn., Ky., and southward. 



7. E. semis erratum, DC. Minutely velvety -pubescent, branching (2 - 

 3° high) ; leaves lanceolate or oblong, triple-ribbed and veiny, serrate above the 

 middle, tapering to the base, the lower slightly petioled ; heads small. (E. par- 

 viflorum. Ell.) — Damp soil, Va. to Ark., and southward. — Leaves sometinies 

 whorled in threes, or the upper alternate. 



8. E. altissimum, L. Stem stout and tall (3 - 7° high), downy ; leaves 

 lanceolate, tapering at both ends, conspicuously 3-nerved, entire, or toothed above 

 the middle, the uppermost alternate ; corymbs dense ; scales of the involucre 

 obtuse, shorter than the flowers. — Dry soil, Penn. to Minn, and Ky. — Leaves 

 3-4' long, somewhat like those of a Solidago. 



H- H- -t- H- Leaves sessile or nearly so, with a broad base, opposite or in threes : 



heads pubescent. 



= Heads 5-8-flowered ; leaves not clasping. 



9. E. teucrifolium, Willd. Roughish-pubescent (2 - 8° high) ; leaves 

 ovate-oblong and ovate-lanceolate, obtuse or truncate at base, slightly triple- 

 nerved, veiny, coarsely toothed or incised toward the base, the lower shortly peti- 

 oled, the upper alternate; branches of the corymb few, unequal; scales of the 

 involucre oblong-lanceolate, at length shorter than the flowers. — Low grounds, 

 Mass. to Va., and southward near the coast. 



10. E. rotundif61iurQ, L. Downy-pubescent (2° high) ; leaves roundish- 

 ovate, obtuse, tTuncaite or slightly heart-shaped at the base, deeply crenate-toothed, 

 triple-nerved, veiny, roughish (1-2' long) ; corymb large and dense ; scales of 

 the (5-flowered) involucre linear-lanceolate, slightly pointed. — DrA' soil, R. I. to 

 Va., near the coast, and southward 



Var. ov^turQ, Torr. Usually taller . leaves ovate, acute, hardly truncate 

 at base, more strongly serrate; heads 5 - 8- flowered. (E. pubescens, MuA/.) 

 — Mass. to Va., near the coast. 



11. E. sessilifblium., L. (Upland Boneset.) Stem tall (4 - 6° high), 

 smooth, branching ; leaves oblong- or ovate-lanceolate, tapering from near the 

 rounded sessile base to the sharp point, serrate, veiny, smooth (3 - 6' long) ; co- 

 rymb very compound, pubescent; scales of the b-flowered involucre oval and 

 oblong, obtuse. — Copses and banks, Mass. to III., and southward along the 

 mountains 



