THE INFLORESCENCE AND FLOWER. 



55 



Questions reviewing the subject of Cohesion in the Parts of 

 a Flower. 



What is meant by cohesion in botany ? 



How do you describe a calyx with no cohesion (Fig. 



FIG. 170. 

 Polysepalous, no cohesion. 



FIG. 171. 

 Gamosepalous, coherent. 



170)? A corolla (Fig. 172)? Stamens (Exercise XX)? 

 Pistil (Fig. 176)? 



When the sepals are coherent, how do you describe the 

 calyx (Fig. 171) ? The corolla (Fig. 173) ? 



FIG. 172. 

 Polypetalous, no cohesion. 



FIG. 173. Gamopetalous, coherent. 



When stamens cohere by their anthers, what word do 

 you use in describing them (Figs. 159, 160, 161) ? 



When, by their filaments in one bundle, what word is 

 used (Fig. 162) ? 



