G6 



INFLORESCENCE. 



Plate XXI 



General subject Name each figure. Where are the staminate flowers in 

 fig. 2 the pistillate flower ? Difference between figs. 5 and 8 ? "What kind of 

 inflorescence at figs. 9 and 10 1 Is there any perfect verticil in this plate ? 

 What is the arrangement at fig. 6? What two Forms of the Head and in 

 what plants ? Is the Umbel at fig. 5 simple, or compound ? What are its sub- 

 divisions called? What arrangement at fig. 11 ? Which of these figures do- 

 velope their flowers centripetally which centrifugally ? 



