»■] 



THE DAISY. 



23 



less flat disk renders it much more accessible than in 

 those cases in which it is situated at the end of a more 

 or less long tube. That of the Deadnettle, for instance, 

 is only accessible to certain humble bees ; while H. 

 Muller has recorded no less than seventy-three species 

 of insects as visiting the Common Chervil, and some 

 plants are frequented by even a larger number. 



Fig. 22. 



Fig. 23. 



Fig. 24. 



Fig. 22. — Floret of Chrysanthemum parthenium, just opened. 

 Fig. 23. — Ditto, somewhat more advanced. * 



Fig. 24. — Ditto, with the stigmas expanded. 



In the Composites, to which the Common Daisy and 

 the Dandelion belong, the association of flowers is 

 carried so far, that a whole group of florets is ordi- 

 narily spoken of as one flower. Let us take, for in- 

 stance, the Common Feverfew, or large white Daisy 

 {Chrysanthemum parthenium, Figs. 22 — 24). Each 

 head consists of an outer row of female florets, in 



