448 210. Bidens. 32. COMPOSITiE, C. Tl. ex. cat 



Waterj^ places; annual; August and September. 

 Moot fusiform; stem 3 feet high, upright, bald; leaves 

 3-cutj pinnatifid; caluthides solitary. — Dyes cloth yellow. 



2. Bidens cernua. Drooping hur-marigold. 



Leaves ovate, lanceolate, serrated, slightly connate at 

 bottom; calathides terminal, solitary; braclece lanceolate, 

 not cut; akenium spinous; spines 4, upright. 



Verbesina pulchriore flare luteo, Rail Syn. 187,3, 



Eupatoriuiii cannabiiium fcEmiiia, Ge/-. em. 711, 1 ; variety with the 

 leaves whole. 



Eupatorium aqualicum folio indiviso. Park. 596. 



Watery places ; annual ; September. 



Root branched ; stem rough, branched ; leaves simple- 



^. radiata. Calathides radiated. 



Verbesina pulchriore flore luteo, flora radiato, Raii Syn. 187,2; var. 

 Coreopsis Bidens, Lin. S. P. 1281. 



y. minima. Stem simple, 6 to 9 inches high. 



Verbesina minima, DiUen in Raii Syn. 188,3. 

 Bidens tripartita /3, Hudson Fl. 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, S-lobed ; vlinanthus convex, naked, with 

 raised spots; akenia 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 bipinnatilid, cut, serrated. 



■ Tanacetum, Raii Syn. 188, 1 ; Ger.em. 650, 1. 

 Tanacttum vulgare. Park. SI ; Lin. S. P, 1184. 



Waysides, mountain pastures, also cultivated; perennial; 

 July and August. / 



Root creeping; stem upright; leaves alternate, embracing- 

 the stem ; corymhus 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. 



|3. crispum. Leaves curled at the edge. 



Tanacetum foliis crispis, Dillen in Raii Sijn. 188, 1 *, 

 T;inacetutn crispum Anglicum, Gcr. em. 650,9. 

 Tanacetum ciispum, Parle. 81. 

 Curled tansy. 



