250 composite, (composite family.) 
* * Involucre 12 - 40 -flowered, hairy , as well as the peduncles. 
r*iceni6sns* Hook. (Racemed Nabalus.) Stem 
wand-like, simple (2°-5° high), smooth , as well as the oval or ob¬ 
long-lanceolate denticulate leaves; the lower tapering into winged 
petioles (rarely cut-pinnatifid), the upper partly clasping; heads in 
short clusters or racemes crowded in a long and narrow interruptedly 
spiked panicle ; involucre about 12-flowered ; pappus straw-color. — 
Plains, Ohio to Wisconsin. Also Hackensack marshes, New Jersey. 
Sept. —Flowers flesh-color. 
N. «isper, Torr. & Gr. (Rough Nabalus.) Stem wand- 
i e, simple (2°-4° high), rough-pubescent, as well as the oval-oblong 
or broadly lanceolate toothed leaves; heads in small clusters (mostly 
erect) disposed in a long and narrow compound raceme ; involucre 12- 
\-flowered; pappus straw-color.—Dry prairies and barrens, Ohio 
and westward. Sept. — Flowers larger than No. 7, cream-color. 
9 ’ ^ crepidlneus, DC. (Large Nabalus.) Somewhat 
smooth , stem tall and stout (5°-8° high), bearing numerous nodding 
eads in loose clusters on the corymbose-panicled branches; leaves 
arge, broadly triangular-ovate or halbert-form , strongly toothed, con¬ 
tracted into winged petioles; involucre 20- AO-flowered; pappus brown. 
order of copses in rich soil, Ohio to Wisconsin and southward, 
oept. Lower leaves often 1° long. Involucre blackish; flowers 
cream-color. 
TROXIMON, Nutt. Troximon. 
Head many-flowered. Scales of the bell-shaped involucre 
ovate or lanceolate, pointed, loosely imbricated in 2 or 3 rows. 
Achenia smooth, 10-ribbed, not beaked. Pappus longer than the 
achenium, white, of copious and unequal rather rigid capillary 
ristles, some of the larger gradually thickened towards the base. 
— Perennial herbs, with linear elongated tufted leaves and a sim¬ 
ple naked scape from a thick rootstock. Head solitary, large: 
flowers yellow. (Name from rpw^opLai, to eat , first applied to a 
plant with an edible root.) 
Clispidatinn, Pursh. Leaves narrowly lanceolate, 
eongatc , tapering to a sharp point, woolly on the margins; scales 
e lnvo ucre sca rious, lanceolate, sharp-pointed : larger bristles o 
e pappus flattened towards the base and almost scale-like.-Pru¬ 
nes, Wisconsin, Lapham. April, May. 
66, TtB AXACr!W, Haller. Dandelion. 
Head many-flowered. Involucre double, the outer of short 
scales; the upper of long linear scales, erect in a single row. 
