32 FLOWERS 
In complex flower clusters combinations of the simpler types 
of clusters often occur together. Thus, in the thyrse, the complex 
cluster which is typical of the Lilac and Horse-Chestnut, and, in 
h i j 
Fic. 34. — Upper diagrams show types of indeterminate inflorescences. 
a, raceme; b, corymb; c, compound corymb; d, umbel; e¢, spike; f, panicle; 
g, head. 
Lower diagrams show types of determinate inflorescences; h, cyme half 
developed (scorpioid); i, flat-topped or corymbose cyme; j, typical cyme. 
the panicle of the Grasses, the characteristics of both racemes and 
cymes are present. (Fig. 33.) 
The diagrams in Figure 34 show the common types of flower 
arrangements. 
