16 KEY TO THE FAIMILIES 



stamens distinct. 



Flowers hermaphrodite, surrounded by a cup-like m- 



vohicel ; anthers versatile. 132. DtPSACE.\E 223 



Flowers unise.xual, not involucellate; anthers basifixed. 



133. Ambrosi.\ce.\e 223 

 Stamens united by the anthers, or if distinct (in Kuhnia) 



the flowers hermaphrodite and anther.s basifl-xed. 



134. C.\RDUArE.\E 224 

 Flowers aU with ligulate corollas. 135. Cichoriaceae 273 



