45. COMPOSITE. 199 



** Pappus like a crown, or of many entire broad scales. 

 Receptacle without scales. 



34. ARNOSERIS. Heads many-flowered. Phyll. in 1 row, 

 about 12, keeled, linear-lanceolate, at length converging, a 

 few small bracts at their base. Fr. angular, crowned with 

 a short elevated entire margin. 



35. CICHOHIUM. Head many-flowered. Phyll. in 2 rows, 

 outer of about 5, lax, shortish ; inner of 8 10, longer, con- 

 verging, at length reflexed. Receptacle sometimes slightly 

 pilose. Fr. obovate, compressed striate. Pappus of 2 rows 

 of minute erect chaffy scales. 



*** Pappus feathery . Receptacle scaly. 



36. HYPOCHCEBIS. Heads many-flowered. Phyll. oblong, 

 imbricate. Fr. glabrous, muricate, often beaked. Pappus 

 in 2 rows, outer short and setaceous, inner long and fea- 

 thery ; or in 1 row and feathery. 



**#* Pappus feathery, or on the exterior fruit scaly. Receptacle 

 without scales. 



37. THRINCIA. Inv. oblong. Phyll. in 1 row, with a few 

 additional at the base. Fr. beaked. Pappus in 2 rows ; 

 outer setaceous, deciduous ; inner longer, feathery, dilated 

 at the base. Marginal row of fruits enveloped in the 

 phyllaries, scarcely beaked, and with a short croivn-like 

 pappus. 



38. LEONTODON. Inv. subimbricate ; exterior phyll. much 

 smaller, in 1 3 rows. Fr. uniform, slightly beaked. 

 Pappus of all thefr. in 2 rows outer setaceous, persistent; 

 inner longer, feathery, dilated at the base ; or in 1 row 

 feathery. 



39. TBAGOPOGON. Inv. simple, of 8 10 equal phyll. con- 

 nected at the base. Fr. longitudinally striate, with a long 

 beak : basal scar lateral. Pappus in many rotes, feathery, 

 interwoven in the ray. 



40. PICBIS. Phyll. in 1 row, equal, with unequal linear often 

 spreading ones at the base. Fr. terete, transversely striate, 

 constricted or slightly beaked above. Pappus in 2 rows, 

 feathery ; external row rather hairlike. 



