1 50 Plants and their Ways in South Africa 



Fig. 146. — A, Cymose inflorescence o'i Myo- 

 sotis ; B, diagrammatic representation of 

 the order of development of the flowers in 

 the helicoid cyme. (From Thomi^ and 

 Bennett's "Structural and Physiological 

 Botany ".) 





/' 



Fig, i^j.—(^'apif//h/iif, or head of Proft\i, surrounded I > y l>r,uis lotaimg an 



involucre, 



