PLex.cal. ^ 39. COMPOSITE, C. US 



d. Pappus marginal, 



CUnanthiis naked ; calathides flosculous ; 

 pericUne-scales imbricate, pressed close Tanacetum. 21 1. 



Clin, naked, convex; culath. radiated; 

 pericline-scales imbricate, edge scariose Pyrethrum. 217- 



Clin, naked, flat; calath. radiated ; 

 pericline-scales imbricate, edge withered Matricaria. 218. 



Clin. chaiFy, convex; calath. radiated; 

 raj/s white Cham^melum. 221. 



Clin. chafFy, flat; calath. radiated. . .. Anthemis. 223. 



e. Pappus chaffy or spinous ; clinanthus chaffy. 



Calathides chaffy, radiated; pericline 

 imbricate ; pappus chaffy, deciduous Helianthemum. 209. 



Calathides radiated ; pericline simple ; 

 pappus spinous, persisting Bidens. 210. 



f. Pappus of the rays 0, of the centre hairlike. 

 Calathides radiated ; rays yellow .... Doronicum. 237. 



g. Pappus of the male pencilshape, of the female hairlike, 

 Calathides flosculous ; scales scariose Antennaria. 225. 



h. Pappus hair like ; pericline-scales equal, in 1 series. 



Leaves cauline; rays 0, or yellow; 



pericline-scales and hractece sphacelated . . . Senecio. 239. 



Leaves cauline ; I'ays yellow ; 



pericline-scales not spfiacelated Cineraria. 238. 



Leaves radical ; rays linear, yellow . . . Tussilago. 240. 



Leaves radical; rays Petassites. 241. 



i. Pappus hairlike ; pericline-scales imbricate ; calathides 

 flosculous. 



Flowers hermaphrodite and female; pericline 

 cylindrical, scarious, sphacelated .... Gnaphalium. 226. 



Flowers aggregate herm. and fem. ; pericline 

 cylindrical, scariose or coloured Gieola. 227. 



Flowers hermaphrodite, yellow; 

 style short ; Iraiiches short, ovate Chrysocoma. 236. 



Flowers hermaphrodifie, purple; 

 style short; IranQhes long, linear Eupatorium. 242. 



