238 



General Botany 



ment of the various floral organs. The outer whorl of scales or 

 leaf-like organs is the calyx. It usually is green in color, and in 



Starnen 



Fig. 142. 



otigmal 

 Style pistil 



Filament — ^ ^'^HJICI)!!^ 



5epal 

 Receptacle 

 Peduncle 



Flower of flax sectioned to show the several parts of a 

 typical flower. 



the bud stage it completely incloses the flower. The individual 

 parts of the calyx are called sepals. Next inside the calyx is a 

 • • • • 



Fig. 143. Floral plans of several families of plants. The large dot above each figure 

 represents the position of the axis ; small dots represent missing members of a cycle. 

 Unshaded stamens indicate presence of stamens without anthers. A, lily family; 

 B, orchid family ; C, most grasses ; D, bamboo ; E, mustard family ; F, legume 

 family; G, heath family; and H, composites. {After Frank.) 



