448 210. Bidens. 32. COMPOSITE, PI. ex. cal 
Watery places; annual; August and September. 
Root fusiform ; stem 3 feet high, upright, bald ; leaves 
3-cut, pinnatifid ; calathides solitary.— -Dyes cloth yellow. 
2. Bidens cernua . Drooping bur-marigold. 
Leaves ovate, lanceolate, serrated, slightly connate at 
bottom; calathides terminal, solitary; bractece lanceolate, 
not cut; akenium spinous; spines 4, upright. 
Verbesina pulchriore flare luteo, Raii Syn. 187,2. 
Eupatorium cannabiuum fcemina, Ger. em. 711,1; variety with the 
leaves whole. 
Eupatorium aquaticum folio indiviso, Park. 596. 
Watery places ; annual ; September. 
Root branched ; stem rough, branched ; leaves simple. 
0. radiata. Calathides radiated. 
Verbesina pulchriore flore luteo, flore radiato, Raii Syn. 187,2; var. 
Coreopsis Bidens, Lin. S. P. 1281. 
y. minima. Stem simple, 6 to 9 inches high. 
Verbesina minima, Dillen in Raii Syn. 188,3. 
Bidens tripartita #, Hudson FI. Angl. 355. 
Bidens minima, Lin. S. P. 1165. 
XXXVI. 211. TANACETUM. Pliny. Tansy . 
Pericline hemispherical; scales linear, imbricate, pressed 
close, tip membranaceous; calathides flosculous; flowers of 
the centre hermaphrodite, 5-lobed; of the circumference 
female, fertile, 3-lobed ; clinanthus convex, naked, with 
raised spots; akcnia uniform, 4? or 5-sided; pappus mar- 
ginal, membranaceous, slightly 4-toothed.- — Leaves pin- 
nate ; calathides corymbose, terminal ; odour aromatic. 
Tanacetum vulgare. Common tansy . 
Leaves bipin natifid, cut, serrated. 
Tanacetum, Raii Syn. 188, 1 ; Ger.em. 650, 1. 
Tanacetum vulgare, Park. 81 ; Lin. S. P. 1184. 
Waysides, mountain pastures, also cultivated ; perennial ; 
July and August. 
Root creeping ; stem upright ; leaves alternate, embracing 
the stem ; corymbus flat. — Leaves bitter, very grateful, used 
to flavour puddings, omelets, and vinegar; preserves meat 
from the flesh-fly, by being laid or rubbed thereon ; dye 
woollen green ; corymbus and seeds excellent vermifuges. 
i3. crispum. Leaves curled at the edge. 
Tanacetum foliis crispis, Dillen in Raii Syn. 188, 1 *. 
Tanacetum crispum Anglicum, Ger . em. 650,2. 
Tanacetum crispum, Park . 81. 
Curled tansy. 
