AKRANGKMBNT OP FLOWERS ON THE STEM. 135 



flower-stalks (Pig. 112), each of which then bears a little 

 umbel, an umhellet. 



Pis. 111. — Panicle of Oat. 



Fig. 112. — Compound Um- 

 bel of Chervil. 



169. Inflorescence Diagrams. — The plan of inflorescence 

 may readily be indicated by diagrams like those of Fig. 113. 



%, 



\ 



\ 



\ 



^ 

 / 



V 



\ 





/ 



/ "' 



Fig. 113. —Diagrams of Inflorescence. 

 A, panicle ; B, raceme ; C, spike ; D, umbel i ; E, head.' 



1 In these diagrams the balls, which symbolize flowers, should, be largest at the 

 outside and diminish regularly toward the centre, to show that the outermost flowers 

 are the oldest. 



