228 



BOTANY OF THE LIVING PLANT 



Inflorescences usually develop on a radial plan, especially those of indefinite 

 type. But many definite inflorescences appear distinctly dorsiventral. These 



FIG. 175- 



Inflorescence of Astrantia : a simple 

 umbel. (After Figuier.) 



FIG. 176. 



Inflorescence of Chervil ; a compound 

 umbel. (After Figuier.) 



are so arranged that each flower as it blooms is directed upwards, thus secur- 

 ing prominence at the time of pollination. This is seen in the Forget-me-nots 



FIG. 177; 

 Inflorescence of Daisy : a capitulum. (After Figuier.) 



and Rock-Roses. In the Grasses, which are racemose, even upright 

 inflorescences may be dorsiventral. This is seen in the Cock's-foot (Dactylis] 

 and the Mat-weed (Nardus). 



