cxxvi CLASSES, &c. AND GENERA ARRANGED. 



Serra'tula, Saw-wort. Cal. almost cylindric, tiled with unarmed 

 scales. Seed-doivn permanent. (Dioecious. H.) — Page 229, 



*** Florets all tubular, parallel, forminy nearly a level top, rayless. 

 (Discoid flowers.) Part of the N. 0. Corymbiferce of Jussieu. 



Eupato'rium, Hemp-agrimony. CaL tiled, oblong. (^Fl. few.) 

 Style cloven halfway down, prominent. Recept. naked. Seed- 

 doiv7i rough. — Page 234. 



BiDEXS, Bur-marigold, Cal.-scales many, parallel, channelled. 

 {Cor. sometimes rayed.) Recept. plain, chaffy. Seed-down 

 rough, with minute bristles, bent downwards. — Page 234. 



Tanacetum vulg. See in Polyg. superfl., also Senecio vulgaris. 



Order II. POLYGAMIA SUPERFLUA. Florets of the centre 

 complete, that is, with Stamens and Pistils ; those of the cir- 

 cumference with Pistils only : all seed-bearing. 



* Corollas of the marginal florets scarcely distinguishable, or wanting. 

 {Discoid.) N. 0. Part of CorymbifercB, Juss. 



Tanace'tum, Tansy. Cal. hemispheric, tiled. Fl. of the ray 

 three-cleft, scarcely distinguishable, sometimes wanting. Recept. 

 naked. Fruit crowned with a membranous margin. — Page 

 235. 



Cony'za, Spike-nard. Cal. roundish, tiled. Fl. of the circumfe- 

 rence three-toothed. Recept. naked. Seed-down rough. — Page 

 238. 



Gnapha'Lium, Cudweed. Cal. tiled ; scales membranous ; (filmy) 

 often coloured. Fl. of the circumference awl-shaped. Recept. 

 naked. Seed-down rough, or feathery. — Page 236. 



Artemi'sia, Wormwood, Mugivort. Cal. tiled ; scales rounded, 

 converging, (approaching each other at the top.) Fl. of the 

 circumference awl-shaped, entire. Seed-down none. Recept. 

 naked, or hairy. — Page 235. 



Tussildgo Petasites. See in Polyg. Superf 



* * Corollas of the marginal florets strap-shaped, (ligulate.) Radiate, 



(or rayed) flowers. 



Bellis, Daisy. Cal. hemispheric; scales equal. Recept. naked, 

 conical. Seed-doivn none. Seed inversely egg-shaped. — Page 

 244. 



Matricaria, Wild- Chamomile. Cal. almost flat, tiled; scales 

 membranaceous at their edges. Recept. naked, nearly cylin- 

 dric. Seed-down none. — Page 246. 



