COMPOSITA. (COMPOSITE FAMILY.) 245 
7. C. lanceolata, Nutt. Stem terete ; leaves rather fleshy, lanceolate or 
linear-lanceolate, entire, 3-nerved, somewhat glaucous ; the lowest tapering into 
a long petiole, the upper sessile. — Brackish marshes, Georgia, Florida, and west- 
ward. Aug. and Sept. — Stem 39 —59 high. Lowest leaves 1° or more long. 
74. SENECIO, L. Grovunpsev. BUTTER-WEED. 
Heads many-flowered ; the flowers all tubular and perfect, or with pistillate 
rays. Scales of the involucre in a single row, often bracted. Receptacle naked 
or alveolate. Achenia not beaked nor winged. Pappus of copious soft hairs. 
— Herbs, with entire or pinnately divided leaves. Heads corymbose. Flowers 
yellow. Pubescence mostly webby and deciduous. 
* Annual: heads radiate. 
1. S. lobatus, Pers. Smooth ; stem furrowed, hollow ; leaves tender, ly- 
rate-pinnatifid, with rounded toothed lobes; the earliest orbicular, long-petioled ; 
rays about 12. — Low ground, Florida to North Carolina, and westward. March 
and April. — Stem 19-39 high. Lobing of the leaves variable. 
* ** Perennial: heads radiate : lowest leaves petioled, undivided ; the others pinnately 
lobed or toothed ; the uppermost sessile. 
2. B. aureus, L. Smooth, or more or less woolly when young; stem (2° 
high) slender ; raflical leaves long-petioled, round-cordate, crenate; the others 
lanceolate or oblong-l late, pinnatifid; rays 8-12; achenia smooth. — 
Mountains of North Carolina. July. 
Var. fastigiatus. Stem stout (29 —39 high), stoloniferous ; petioles of 
the larger (2! wide) leaves, as also the involucre, densely woolly at the base. — 
River-banks, Florida. 
Var. Balsamitee. Radical leaves spatulate-lanceolate or obovate ; lower 
part of the stem often densely woolly ; achenia hairy. — Dry open woods in the 
upper districts. May and June. — A polymorphous species. 
3. S. tomentosus, Michx. Woolly and hoary throughout; the leaves 
becoming smoothish; lowest leaves oblong, crenate, obtuse ; stem-leaves few, 
Scattered, Janceolate, acute, serrate or toothed ; rays 12—15; achenia hairy. — 
Damp soil, Florida to North Carolina. April and May. — temi mostly simple, 
29-39 high. Heads rather large. 
4. S. Elliottii, Torr. & Gray. Smoothish ; leaves chiefly radical, thick, 
Gbovate or roundish, crenate, on short winged petioles; those of the stem small, 
pinnatifid; heads crowded ; rays 9-12; achenia smooth. (S. obovatus, il. 
in part.) — Rocky places, West Florida to North Carolina. April and May.— 
Stem 1? high. Radical leaves 2/ 3! wide. 
* * * Perennial : heads radiate : bos ER diced. P 
5. S. Millefolium, Torr. & Gray. Woolly when young, at length nearly 
Smooth ; stems tufted, corymbose above ; leaves lanceolate, with the divisions 
ee and toothed, the lowest ones petioled ; heads crowded ; rays 
vorm cg iim 15. 
