168 45. COMPOSITE. 



* Pappus 0. Receptacle without scales. 



32. LAPSANA. Heads 8 12-flovvered. Phyll. in 1 row, 

 erect, with 4 5 short bracts at their base. Fr. compressed, 

 striated, deciduous, not enveloped in the phyllaries. 



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

 tacle without scales. 



33. 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. 



34. CICHORIUM. Heads 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 striated. Pappus of 2 rows 

 of minute erect chaffy scales. 



*** 



Pappus feathery. Receptacle scaly. 



35. HYPOCHCERIS. Heads many-flowered. Phyll. oblong, 

 imbricated. Fr. glabrous, muricated, 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 fruits scaly. Receptacle 

 without scales. 



36. THRINCIA. Involucre oblong. Phyll. in 1 row, with a 

 few additional at the base. Receptacle punctured. 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 crownlike fimbriated pappus. 



37. APARGIA. Involucre subimbricated, exterior phyll. much 

 smaller in 1 3 rows. Receptacle punctured. Fr. uniform, 

 slightly beaked. Pappus of all thefr. in 2 rows-, outer se- 

 taceous, persistent ; inner longer, feathery, dilated at the 

 base ; or in 1 row feathery. 



38. TRAGOPOGON. Involucre simple, of 8 10 phyll. con- 

 nected at the base. Receptacle punctured. Fr. longitudi- 

 nally striated, with a long beak ; areola lateral. Pappus in 

 many rows, feathery, interwoven in the ray. 



39. PICRIS. Phyll. in 1 row, equal, with unequal linear often 

 spreading ones at the base. Receptacle dotted. Fr. terete, 



