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



GNAPHALIUM. Recept. nudum. Pappus plu- 



mofus, 



** Radiati. 

 BELLIS. Recept. nudum. Pappus nuUus. CaL 



fquamis squalibus fimplex. 

 MATRICARIA. Recept. nudum. Pappus nullus. 



Cal. fquamis imbricatus acutis. 

 CHRYSANTHEMUM. Recept. nudum. Pappus 



nullus. Cal. fquamis intimis membranaceis. 

 DORONICUM. Recept. nudum. Pappus pilofus. 



Pappus radii nullus. 

 INULA. Recept. nudum. Pappus pilofus. An- 

 thers bafi bifetse. 

 ERIGERON. Recept. nudum. Pappus pilofus. 



Corel, radii capillares. 

 SOLID AGO. Recept. nudum. Pappus pilofus. 



Corol. radii fubfeni remoti. 

 SENECIO. Recept. nudum. Pappus pilofus. Cal 



fquamis apice fphacelatls. 

 TUSSILAGO. Recept. nudum. Pappus ^\M\m, 



Cal. fquamis fubmembranaceis. 

 ASTER. Recept. nudum. Pappus pilofus. Cal. 



fubfquarrofus. 

 ANTHEMIS. Recept. paleaceum. Pappus nullus. 



Cal. hsemifphoericus. 

 ACHILLEA. Recept. paleaceum. Pappus nullus. 



Radius fub-5-florus. Cal. oblongus. 



POLYGAMIA FRUSTRANEA. 



CENTAUREA. 



