Ixxii GENERA. 



4. -Centaure.*;. Outer Fits, neuter. Gen. 497-501. 



5. Xeeantheme^e. Outer Fits, with Styles only. Gen. 503. 



Tribe I. ECHINOPSIBE^. 



475. ECHIWOPS. Fits., each with a tiled calyx, united into a globular head ; the upper 

 earliest. Phyll.few, refiexed. Outer Scales of partial calyx filiform ; middle somewhat spatu- 

 late ; inner linear, acuminate, keeled. Crest veiy short, of numerous rough scales united at 

 base into a cup. p. 318. 



Tribe II. CARBUINE^. 



476. BEKARDIA. PhyU. in many rows, linear, subulate at top, unarmed. Recept. 

 honeycombed; edges somewhat fringed. Stigmas short, diverging, obtuse. Shafts of Crest' 

 imdivided, strong, numerous, hairy, persistent, p. 319. 



477. SEREATUTiA. PhyU. tiled : outer somewhat mucronate ; inner longer, skinny on 

 margin. Recept. fimbrilled. Anthers with an obtuse appendage. Stigmas diverging. Seed 

 smooth, with an oblique scar. Crest of numerous, simple, rough, unequal hairs. Perennial, 

 upright plants. PI. in a terminal panicle, p. 319. 



478. SATJSSUEEA. PhyU. tiled, unarmed. Recept. fimbrilled. Anthers with a; long 

 appendage at top, and 3 bristles at base. Shafts of Crest undivided, feathery, of equal length. 

 p. 219. 



479. ST.ffiHELINA. PhyU. tiled, closely adpressed, unarmed, coloured at top. Recept. 

 flat, chaffy. Anthers with a long appendage at top and 3 bristles at the base. Stigmas United. 

 Shafts of Crests branched, quite naked, p. 319. 



480. ABCTIUM. PhyU. ending in a hooked awn. Recept. fimbriUed. Anthers with 

 filiform tips and subulate tails. Stigmas free. Crest caducous, of many, unequal, rough hairs, 

 not united into a ring. p. 219. 



481. CAE.DUUS. Midrib of PhyU. prolonged into a simple awn. Recept. funbriUed. 

 Anthers without taUs. Stigmas united. Crest of many rough hairs, united into a conspicuous, 

 separable ring. Seed with a small basal, and large terminal scar. In C. leucographus the shafts 

 are very nearly smooth. Herbaceous, spinous plants, p. 320. 



482. CIE.SIUM. Midrib of PhyU. prolonged into a simple awn. Recept. fimbriUed. An- 

 thers without taUs. Stigmas united. Crest feathery. Covering of Seed membranous, united 

 in a ring. Habit of Carduus. p. 333. 



483. CHAMLffiPEUCE. PhyU. in many rows, ending in a simple spine. Tails of An- 

 thers long and jagged ! Stigmas nearly united. Seed with a hard bark, obovate, straight. Crest 

 feathery, p. 327. 



484. NOTOBASIS. Cal. surrounded with pinnatipartite bracts. PhyU. in many rows, 

 ending in a 3-edged spine. Seeds of central Fits, compressed, almost horny ; attachment oblique. 

 Marginal Fits, abortive. Crest feathery, p. 337- 



485. PICTfOMOM". Cal. surrounded with leafy bracts. PhyU. ending in a pinnato-spinu- 

 lose appendage ; innermost without an appendage. Stigmas free at top. Nect. with 5 rays. 

 Crest feathery (on a 5-angled ring, DC), p. 338. 



486. ONOPOBDON. PhyU. ending in a simple spine, not connected with a midrib. 

 Recept. deeply jutted. Edges of the Pits sinuato-dentate. Anthers with a linear appendage 

 and short tails. Stigmas nearly concrete. Scales of Crest almost feathery, ciUate, united into a 

 horny ring. Large, hard, spinous, hoary plants, p. 228. 



487. CYNARA. PhyU. ending in a simple spine not connected with a midrib. Recept. 

 fimbrillose. Div. of Cor. very unequal. Appendage of Anthers very blunt. TaUs short and 

 bearded. Scar of Seed broad. Crest deciduous, adhering to a ring. Shafts simple, p. 228. 



488. ATBACTYLIS. Outer PhyU. spinous on the edge ; inner entire. Chaff of Recept. 



