COMPOSITJ. (COMPOSITE FAMILY.) 195 
ample, dense; scales of the involucre lanceolate, cuspidate, shorter than the 
flowers. — Low pine barrens, Middle Florida to South Carolina. August. — 
Stem 2° high. Leaves 13 long. 
8. E. rotundifolium, L. Stem pubescent, mostly simple; leaves short, 
broadly ovate or roundish, obtusely serrate, roughish, mostly truncate at the base, 
3-ribbed and somewhat rugose ; corymbs large; scales of the involucre lanceo- 
late, acute, shorter than the flowers. — Low pine barrens, Florida to North Caro- 
lina, and westward. August. — Stem 2° high. ' Leaves 1’ long. 
9. E. teucrifolium, Willd. Rough-pubescent; leaves ovate or oblong- 
ovate, coarsely serrate and sometimes toothed near the base, 3-ribbed ; the upper 
ones small and remote; corymbs dense, depressed in the centre; scales of the 
involucre lanceolate, mucronate, shorter than the flowers. (E. verbenzfolium, 
Michz.) — Damp soil, Florida and northward. Sept. — Stem virgate, 29 — 39 
high. Leaves 1'-13' long, the base rounded or truncate. Branches of the 
corymb alternate. 
10. E. album, L. Rough-pubescent or hairy ; leaves oblong or lanceolate, 
narrowed at the base, toothed-serrate, strongly veined ; corymbs dense; scales of 
the involucre lanceolate, smooth, er the outer ones pubescent, longer than the 
flowers, the acuminate or mucronate tips white and scarious. — Dry sandy soil, 
ee to Mississippi, and northward. Sept. — Stem 19-929 high. Leaves 9' 
ong. a M. ; dines 
ll. E. altissimum, L. Stem tomentose; leaves opposite, lanceolate, 
acute, pubescent, strongly 3-ribbed, sharply serrate above the middle, narrowed 
at the base; corymb dense, hoary; scales of the involucre shorter than the flow- 
ers, linear-oblong, obtuse. — Sterile soil, North Carolina and westward. Sept. 
— Stem 3° - 7o high. Leaves 3'- 4! long. 
12. E. sessilifolium, L. Smooth; leaves long, lanccolate, acuminate, 
serrate, rounded and closely sessile at the base; corymb tomentose; scales of the 
involucre oblong, obtuse. (E. truncatum, Eil.) — Open woods, in the upper dis- 
tricts, Alabama and northward. Sept. — Stem 20-40 high, mostly branching 
above. Leaves 3/—6' long, thin and veiny. 
l3. E, mikanioides, n. sp. Stem ascending from a creeping base, 
branching and tomentose above ; leaves opposite, long-petioled, deltoid, glandu- 
lar-serrate or toothed, truncate or abruptly acute at the base, resinous-dotted 
above, pubescent on the veins beneath ; the petioles somewhat connate ; corymb 
ample; scales of the involucre about 10, lanceolate, acute; anthers slightly 
€Xserted ; achenia 5-angled, glandular.— Low sandy places, on St. Vincent's 
Island, West Florida. Sept.— Stem 19-29 high. Leaves 1/-1}/ long, some- 
what fleshy. ae 
ME 
: he ad: 7 WU K^ ners 
