144: 



THE SECOND BOOK OF BOTANY. 



disk florets ; <?, the involucre ; d, the receptacle ; and 

 e, the peduncle. 



Fig. 300 shows one of the ray florets, with its 

 strap-shaped corolla, d the limb, and c the tube. At 

 e is seen the forked stigma of the pistil ; a is the 

 ovary, and ~b the limb of the calyx. Compare this 

 picture, or, what is better, a living example, with 

 one of the florets of a dandelion, and carefully note 

 the differences of structure they present. 



FIG. 300. 



FIG. 301. 



Fig. 301 represents a disk floret; a, the ovary; 

 5, the limb of the calyx ; and e, the tubular corolla. 

 Compare this floret with those of the thistle, or any 

 tubular florets in your collection. 



In looking for the limb of the calyx in your speci- 

 mens, you have found very various and peculiar ap- 



