422 S Y N G E N E S I A. 



C L A S S I S XIX. 



SYNGENESIA. 



POLYGAMIA ^QUALIS. 



* Semiflofculqfi^ f, coroUis ligulatis omnibus, 



HYPOCH^RIS. Recept. paleaceum. Pappus fub- 



plumofus. CaL imbricatus. 

 TRAGOPOGON. Recept. nudum. Pappus plu- 



mofus. CaL fimplex. 

 LEONTODON. Recept. nudum. Pappus plumo- 



fus. CaL imbricatus fquamis laxis. 

 SONCHUS. Recept, nudum. Pappus pilofus. 



CaL imbricatus gibbus. 

 CREPIS. Recept, nudum, Pappus pilofus. CaL 



calyculatus fquamis difformibus. 

 PRENANTHES. Recept, nudum. Pappus pilofus. 



CaL calyculatus fubquinqueflorus. 

 LACTUCA. Recept, nudum. Pappus pilofus. 



CaL imbricatus margine fcariofo. 

 HIERACIUM. Recept. nodum. Pappus pilofus, 



Cal, imbricatus ovatus. 

 LAPSANA. Recept. nudum. Pappus nullus. CaL 

 calyculatus, 



HYOSERIS. 



I 



