Polypetalous, no Cohesion. 

 FIG. 39. 



Polyandrous, Stamens not coherent. 

 FIG. 41. 



Gainopetalous, coherent. 

 FIG. 40. 



Triadelphous, Stamens coherent. 



FIG. 42. 



Apocarpous, no Cohesion. 



Syncarpous, coherent. 



