180 



ELEMENTS OP BOTANY. 



l-anth 



I n in IV V 



Fig. 165. — Bachelor's Button. 



I, a tubular flower (magnified), anth, the united anthers ; II, fruit (magni- 

 fied) ; III, fruit, vertical section (magnified) ; IV, a neutral ray-flower ; ' 

 V, ring of anthers. 



I n III IV V 



Fig. 166. —Bachelor's Button. 



I, vertical section of the receptacle ; II, style and forked stigma (magnifled) ; 

 III, corolla, united anthers and stigma (magnifled) ; IV, pistil (magnified), 

 pap, pappus, ach, achenium ; V, tubular flower cut vertically (magnified), 

 showing anther-tube, traversed by the style. 



1 This is not precisely homologous with the ray-flowers of Helianthus and most 

 rayed CompositaB, but is an enlarged and conspicuous tubular flower. 



