]54 S^NGENESIA. [CI. 19. 



381. CICHORlUM. Recept. slightly chaffy. Down chaffy, shorter 



than the seed. Cal. double. 

 378. CRePIS. Recept. roughish. Down simple, partly stalked. 



Cal. double ; outermost lax, tumid, deciduous, 

 377. HIERACIUM. Recept. almost naked, dotted. Down simple, 



sessile. Cal. imbricated, ovate. 

 376. APARGIA. Recept. naked, dotted. Down feathery, sessile, 



unequal and various. Cal. double ; innermost imbricated. 

 371. PlCRlS. Recept. naked. Down feathery. Seeds furrowed 



transversely. Cal. double ; innermost equal : outer lax. 

 370. TRAGOPoGON. Recept. naked. Down stalked, feathery. 



Cal. simple, of several equal scales, in 2 rows. 

 375. LEoNTODON; Recept. naked. Down stalked, simple. Cal. 



imbricated, double ; scales of the outermost lax. 

 373. LACTUCA. Recept. naked. Down stalked, simple. Cal. im- 

 bricated, simple, cylindrical ; scales membranous at the 



margin. 

 374. PRENANTHES. Recept. naked. Down nearly sessile, simple. 



Cal. double. Florets in a single row. 

 372. So NC H U S. Recept. naked. Down sessile, simple. Cal. simple, 



imbricated, swelling at the base. 

 380. LAPSANA. Recept. naked. DownO. Cal. double; innermost 



of equal channelled scales. 



** Florets all tubular, with a Jive-cleft spreading limb. Capitate. 



[Stem mostly herbaceous. L. altern. often spinous. Fl. generally 

 red or purple. Florets tubular only ; some neuter.] 



387. CARLlNA. Calyx swelling ; outer scales spinous ; inner co- 

 loured, polished, radiant. Recept. chaffy. Down feathery. 



382. ARCTIUM. Cal. globose ; scales spinous, hooked, inflexed. 



384. CARDUUS. Cal. tumid, imbricated ; scales spinous. Recept. 



hairy. Down deciduous, capillary, roughish. 



385. CNlCUS. Cal. tumid, imbricated; scales spinous. Recept. hairy. 



Down deciduous, feathery. 



386. ONOPoRDUM. Cal. tumid; scales spinous, spreading. Re- 



cept. cellular, somewhat chaffy. 



383. SERRATULA. Cal. nearly cylindrical, imbricated ; scales 



unarmed. Down permanent. 

 Centaur ea 1 . 



*** Florets all tubular, parallel, crowded, nearly on a level at the 

 top. Discoid. 



[Plants herbaceous, sometimes shrubby. L. in some opposite. Fl. 

 with the disk mostly yell. ; rays of the same, or of a diff. colour. 

 Florets various in degree of perfection.] 



3S9. EUPAToRIUM. Recept. naked. Down rough. Cal. imbri- 

 cated, oblong. Style cloven half way down, prominent. 



