DESCRIPTION OF MEDICINAL PLANTS. 
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late short, persistent, chaffy and pointed teeth, and with some 
minute intermediate squamellse. Seems to be very local, as 
I found it but once, but there abundantly in open barren 
lands east of Tullahoma. The root, collected in fall. 
Verbesina helianthoid.es, Michx. Perennial ; stem hairy 1-3° high, 
widely winged by the ovate to ovate-lanceolate, sessile, alter- 
nate leaves, which are rough above and soft-hairy beneath. 
Heads broad, solitary or few, several to many flowered, rays 
8-15, pistillate or sometimes neutral, sterile ; achenes winged, 
tipped with 2 fragile awns. Copses and hillsides in limestone 
regions. Frequent in the vicinity of Nafliville. Plant 
esteemed in the South as a domestic remedy in chronic ca- 
tarrh of the bladder. 
Bidens bipinnata, L. Spanish Needles. Smooth annual, 
branched; leaves 1-3 pinnately parted, petioled ; leaflets 
ovate-lanceolate, mostly wedge-shaped at the base, heads 
■small, on slender peduncles; outer involucre of linear scales 
equalling the short pale-yellow rays, achenes 4-grooved and 
angled, nearly smooth, 3-4 awned. A malicious weed, leaving 
its barbs at the slightest touch in the skins of animals and 
clothes of men. Parke, Davis & Co. prepare a fluid extract 
from the herb. FI. July-October. 
Helenium autumnale, L. Snf.eze-weed. Erect, perennial, branch- 
ing herb, nearly smooth, 1-6° high, leaves alternate, decurrent 
on the angled stem and branches, toothed, lanceolate to ovate- 
oblong. Heads about 6" broad, rays several, wedge-shaped, 
3-5-cleft, fertile, yellow. Involucre small, reflexed, the scales 
linear or awl-shaped, disk yellow. Achenes top-shaped, 
ribbed ; pappus of 5-8 thin, one-nerved chaffy scales, the 
nerve usually extended into a bristle or point. Receptacle 
oblong, naked. Whole plant sprinkled with bitter, aromatic, 
resinous globules. Damp places, common. FI. July-August. 
The herb. 
Anthemis Cotula, DC. May-Weed. An annual, branching, 
strong and unpleasant-scented herb, of acrid taste. Leaves 
finely 3-pinnately dissected, the solitary terminal flowerheads 
