ARRANGEMENT OF FLOWERS ON THE STEM. 135 



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

 umbel, an umbellet. 



- Panicle of Oat. 



Fig. 112. — Compound Um- 

 bel of Chervil. 



Fig. hi. 



169, Inflorescence Diacframs. — The plan of inflorescence 

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



VJ 



\ 



•^ 



/ 

 / 



•^ 





^ 



/ 





Fig. 113. —Diagrams of Inflorescence. 

 ^, panicle ; 5, raceme; C, spike; Z>, umbel i; -E", liead.^ 



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

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

 are the oldest. 



