104 FAMILIAK WILD FLOWERS. 



sow-thistle, the subject of the present plate, and the 

 nipplewort. 



The third great section is that wherein each flower-head 

 contains both types of flower. In this case the tubular 

 flowers are always in the centre, and are called the florets 

 of the disk, while the ribbon-like forms constitute the 

 outer ring-, and are called the florets of the ray. For ex- 

 amples of this type the reader may turn to the daisy, 

 the ox-eye, the rag-wort, the mayweed, or the yarrow. 



In the first of these divisions the'Horets are generally 

 purple, in the second they are almost, always yellow, while 

 in the third the disk is ordinarily yellow, and the rays 

 white. 



