TECHNICAL TERMS. 



Corolla. The flower-cup composed of one or more di- 

 visions called petals. 

 Petal. One of the divisions of the corolla. 

 Calyx. A flower-envelop, usually green, formed of 



several divisions called sepals, protecting the bud. 

 Sepal. One of the divisions of the calyx. 

 Stamen. Anther and filament combined. 

 Anther. The pollen-bearing organ, usually yellow. 

 Filament. The stalklike support of the anther. 

 Pistil. Ovar}', style, and stigma combined. 

 Ovary. The seed-bearing organ. 

 Style. The stalklike projection proceeding from the 



ovary and terminated by the stigma. 

 Stigma. The generally sticky and sometimes branching 



termination of the pistil through which fertilization 



by the pollen is effected. 

 Rostellum. See Orchid Family description, page 68. 

 Regular Flower. Generall}^ symmetrical and uniform 



in the number of its parts. 

 Perfect Flower. A flower complete in all the common 



parts. 

 Staminate. With stamens and without pistils. 

 Pistillate. With pistils and without stamens. 

 Polygamous. Pistillate, staminate, and perfect flowers 



on the same plant or on different plants. 

 Spathe. A leaflike formation enclosing a floral growth. 

 Spadix. A flesh}^ spike of flowers. 

 Bracts. Small leaflike formations. 

 Stipule. Small leaflike formations confined to the base 



of the leaf. 

 Pubescent. Covered with soft short hairs. 

 Cleistogamous Flower. A flower closed to all outward 



agencies and self-fertilized in the bud. 



