COMPOSITE. (composite FAMILY.) 225 



snmmer. (Dedicated to Eupakir Mithndates, who is said to have used a species 

 <rf the genus in medicine.) 



» Heads cylindrieal, 5 — 1 5-Jlowered; the pvTplish scales numerous, closely imbricated 

 in several rows, of unequal length, slighdt/ striate r stout herbs, with ample mosth/ 

 whorled leaves, and flesh-celored flowers. 



1. E. purptireviin, L. (Joe-Pte Webd. Tecmfbt-Weed.) Stems tail 

 and stout, simple ; leaves 3 - 6 in a whorl, ©bloiyg-ovate or lanceolate, pointed, 

 very veiny, roughish, toothed ; corymbs very dense and compound. — Varies 

 greatly in size (2°- 12° high), &c., and with spotted or unspotted, often dotted 

 stems, &c., — including several nominal species. — liOW grounds: common. 



* * Heads 3 - 20-Jiowered .■ involucre of 8-15 more or less imbricated and unequal 



scales, the outer ones shorter : flowers white. 

 1- Leaves all alternate, mostly dissected : heads panvcled, very small, 3 - Z flowered. 



2. E. fCBUiculilceum, Willd. Smooth or nearly so, paniculately much- 

 branched {3°-10° high); leaves 1 - 2-pinnately parted, filiform. — Virginia, 

 near the coast, and southward. Adv. near Philadelphia. 



H- •(- Leaves mostly opposite and sessile : heads 5 - 8 flowered, carymbed. 



3. E. hyssopifdlium, L. Minutely pubescent (1°- 2° high); feaucs 

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

 toothed, often crowded in the axils, acute at the base ; scales oflthe involucre obtuse. 

 — Sterile soil, Massachusetts to Virginia, E. Kentucky and southward. 



4. E. Ieuc61epis, Torr. & Gr. Minutely pubescent, simple (l°-2°high) ; 

 leaves linear-lanceolate, closely sessile, l-nerved, obtuse, serrate, rough both sides; 

 corymb hoary ; scales of the involucre with white and scarious acute tips. — Sandy 

 bogs. Long Island, New Jersey, and southward. 



5. E. parviflbrum, En. Minutely velvety-pubescent, branching {2° -3* 

 high) ; leaves lanceolate or oblong, triple^ibbed and veiny, serrate above the middle, 

 tapering to the base, the lower slightly petioled ; scales of the short involucre 

 obtuse. (Leaves sometimes whorled in threes, or the upper alternate. ) — Damp 

 soil, Virginia and southward. 



6. E. altlssimum, L. Stem stout and tall (3° -7° high)', downy; leaveg 

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

 middle, the uppermost alternate ; corymbs dense ,' scales of the inmliucre ebtussy 

 shorter than the flowers. — Dry soil, Pennsylvania to Illinois and Kentucky. — 

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



7. E. Alburn, L. BMghish-hairy (2° high) ; leaves oblong-lanceolate, coarsely 

 toothed, veiny ; heads clustered in the corymb ; scales of the involucre closely hnbri'- 

 cated, rigid, narrowly lanceolate, pointed, white and scarious above, longer than the 

 flowers. — Sandy and barren places, pine barrens of New Jersey to Virginia and 

 southward. 



8. E. teucrifblium, Willd. Roughish-pubescent (2° -3° high); leaves 

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

 nerved, veiny, coarsely toothed or ijicised towards the base, the upper ones alternate ; 

 branches of the corymb few, unequal ; scales of the involucre oblong-lanceolate, rather 

 obtuse, at length shorter than the flowers. (E. verbensBfoliiim, Michx,}, — Low 

 grounds, Massachusetts to Virginia and southward aear the coast. 



15 



