166 DOG-DAISY. [CH. XII 



feature of the androecium is the coherence of the anthers 

 into a hollow cylinder 1 while the filaments are free. It is 



FIG. 75. 



FLOWER OF CENTAUREA DIVIDED LONGITUDINALLY. 

 From Le Maout and Decaisne. 



a state of things the reverse of what is seen in the bean- 

 flower, where the filaments of nine of the stamens are 

 coherent while the anthers are free. 



The pollen of the daisy is shed, and collects inside the 

 tube made by the united anthers. The anthers ripen and 



1 When this is the case the anthers are called syngenesious. 



