192 COMPOSITA. (COMPOSITE FAMILY.) 
obtuse or mucronate, more or less pubescent; the edges not margined and come 
monly ciliate. — Sandy pine barrens, Alabama, Georgia, and Florida. Septem- — ; 
ber.— Stem 1°~2° high. Varies greatly in the length and direction of the 
pedicels. $ ; 
8. L. graminifolia, Willd. Stem usually smooth, and striped with — 
greener lines; leaves more or less hairy on the upper surface, and fringed near 
the base; the lowest lanceolate or linear-lanceolate, elongated, the upper linear; 
heads in spikes or racemes, often very numerous; involucre broadly obconical, 
7—14-flowered ; the scales oblong-spatulate, rounded at the apex, narrowly mat- - 
gined. (L. gracilis, Ell., a more slender form, with the fewer-flowered heads on - 
longer pedicels.) — Light dry soil, Florida to Mississippi, and northward. Sep- 
tember. — Stem 29 — 69 high. s 
9. L. spicata, Willd. Smooth; stem very leafy; leaves linear, erect; 
the lowest very long, obtuse, 3- 5-ribbed; the uppermost small and bract-like; 
heads sessile, cylindrical, 8-12-flowered, crowded in a long cylindrical spike; 
scales of the involucre smooth, obtuse, narrow-margined, purple. (L. resinosa, 
Nuit., a small form with 5-flowered heads.) — Swamps, Florida to Mississippi, 
and northward. August and September. — Stem rigid, 99-59 high. Spike —— 
sometimes 2°-3° long. Styles elongated. 
10. L. pilosa, Willd. More or less pubescent with long scattered hairs; 
stem stout; leaves linear or linear-lanceolate, elongated, hairy ; heads in a loose 
simple raceme, 10 — 15-flowered ; scales of the turbinate or campanulate involu- 
cre glabrous, not punctate, with slight scarious margins, the exterior narrowly 
oblong, short, very obtuse; the innermost linear ; achenia pubescent, nearly 895 — 
long as the densely bearded (almost plumose) pappus.— Henderson County, 
North Carolina, Curtis. — A stout plant, with the heads 8/ — 10// long. NGC 
IL bh. scariosa, Willd. Stem stout, pubescent; leaves mostly pubescent, 
the lowest large, oblong or lanceolate, obtuse, the upper linear, acute; heat = 
large, 15-40-flowered, roundish, sessile or pedicelled ; scales of the involucre - 
spatulate or obovate, rounded at the apex, usually with broad and colored mar- 
gins; the outer ones with spreading tips. (L. spheroidea, Michx.) — Dry light 
soil, Florida to Mississippi, and northward. September. — Stem 3°-6° high. 
Heads sometimes 1’ wide. 
12. L. heterophylla, Brown. Leaves lanceolate, smooth ; the upper 
ones linear-lanceolate and much smaller; heads about 10, roundish, spiked, 
crowded, 15 — 16-flowered ; scales lanceolate, with pointed spreading tips.— Geo" 
Willd. (Houxn’s Toxcvr.) Stem herbaceous, 
obtuse ; the lowest ut 
Lg 
