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. SU.bven.6sum, 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, 1-nerved, obtuse, minutely 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. hyssopifolium, 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. laciniatum, Gray. Leaves irregularly and coarsely toothed or 

 laciniate. Penn., Ivy., and southward. 



7. E. semiserratum, 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 sometimes 

 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. 



+- + 1 - 4- i- Leaves sessile or nearly so, with a broad base, opposite or in threes : 



heads pubescent. 



= Heads 5 - 8-Jlowered ; 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 /lowers. Low grounds, 

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



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

 ovate, obtuse, truncate 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. Dry soil, R. I. to 

 Va., near the coast, and southward 



Var. o vatum, Torr. Usually taller . leaves ovate, acute, hardly truncate 

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

 Mass, to Va., near the coast. 



1 1 . E. sessilifolium, 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 5-floirered involucre oval and 

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

 mountains. 



