150 Plants and their Ways in South Africa 



Fig. 146. — A, Cymose inflorescence oiMyo- 

 sotis ; B, diagrammatic representation of 

 the order of development of the flowers in 

 the helicoid cyme. (From Thom^ and 

 Bennett's " Structural and Physiological 

 Botany".) 



Fig, 147. — Capitulum^ or head of Protea, surrounded by- bracts forming an 



involucre. 



