ARRANGEMENT OF FLOWERS ON THE STEM. 135 
flower-stalks (Fig. 112), each of which then bears a little 
umbel, an umbellet. 
Fic. 112. —Compound Um- 
Fiac. 111. — Panicle of Oat. bel of Chervil. 
-169. Inflorescence Diagrams.— The plan of inflorescence 
may readily be indicated by diagrams like those of Fig. 113. 
A B 
FIG. 113. —Diagrams of Inflorescence. 
A, panicle; B,raceme; C,spike; D,umbel1; £, head.1 
» 1In 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. 
