96 SOUTH AFRICAN BOTANY 
name two orders in which examples of the umbel may be 
found. 
10. Distinguish carefully between definite and indefinite 
inflorescences. Define the following and give one example of 
each: spike, umbel, capitulum, dichotomous cyme, spadix, 
verticillaster. 
11. Draw the floral diagram of the following flower :— 
pe Re aiaay 
K(5) C(5) A(S) G(2). 
