COMPOSITZ. (COMPOSITE FAMILY.) 217 
8. C. villosa, Nutt. Rough-hairy and somewhat hoary throughout ; stem 
rigid, very leafy ; leaves lanceolate, acute, entire or sparingly serrate; the upper 
ones sessile, the lowest narrowed into a petiole ; heads large, in a simple corymb. 
—Dry soil, Alabama, and westward. Sept. — Stem 1°-2° high. Leaves 1/ 
long, fringed near the base. 
9. C. decumbens, n. sp. Stems decumbent, simple, silky-villous; leaves 
villous, lanceolate-oblong, obtuse, entire, sessile, leafy in the axils; the lowest 
spatulate-oblong, clustered; heads large, in a loose corymbose panicle; the 
peduncles and involucre glandular-pubescent ; rays about 25, showy; achenia 
hairy, furrowed ; exterior pappus bristly.— Sandy shores dn St. Vincent’s Island, 
West Florida. Oct. and Nov. (8) — Stems 2°-4°long. Upper leaves }/-1/ 
long, the lowest 3'-4'. Heads largest of all. 
25. INULA, L. ErEcAMPANE. 
Heads many-flowered. Rays pistillate. Scales of the involucre imbricated in 
several rows. Receptacle flat or convex, naked. Anthers bicaudate at the base. 
Pappus single, of capillary slightly scabrous bristles. — Perennial herbs. Flow- 
ers yellow. 
1. Y. Helenium, L. Stem stout ; leaves large, ovate, denticulate, tomen- 
tose beneath; the lowest ones petioled, the upper clasping ; heads very large, 
somewhat corymbose ; outer scales of the involucre broadly ovate, leafy ; rays 
numerous, narrow ; achenia 4-sided, smooth. — Mountains of North Carolina. 
Introduced. 
26. CONYZA, L. 
Heads many-flowered ; the exterior flowers pistillate, fertile, in several rows ; 
the corolla filiform, 2 —3-toothed ; a few of the central flowers staminate, with a 
tubular, 5-toothed corolla. Scales of the involucre in several rows. Receptacle 
punetate, Pappus a single row of capillary bristles. — Branching herbs, with 
toothed-lobed leaves, and heads of yellow flowers in corymbs or panicles. 
l. C. ambigua, DC. Rough-hairy; lower leaves oblong-lanceolate, lobed, 
the upper entire, linear; heads panicled. (C. sinuata, Æ.) — Around Charles- 
ton. Introduced. April-July.— Stem 2° high. n 
27. BACCHARIS, L. 
Heads dicecious, many-flowered ; the flowers all tubular. Corolla of the sterile - 
flowers 5-cleft ; of the fertile ones filiform, nearly entire, without anthers ; style 
*XSerted. Scales of the oblong or hemispherical involuere imbricated in sev- - 
eral rows, Receptacle naked or somewhat chaffy. Achenia ribbed. Pappus 
of the sterile flowers capillary, in a single row, as long as the involucre; of the — 
fertile flowers in 1- several rows, commonly much longer than the involucre. — _ 
Smooth and resinous shrubs. Leaves alternate. Flowers white. 
