PLANTS. 145 



Sta'men. — The organs immediately surrounding or adjoining 

 the central one. 



subdivisions of the stamen. 



An'ther. Fil'ament. 



Pol'len. 

 Tu'nic, — The membranaceous covering of the seed, whether it 

 is enveloped in fruit or naked. 



GENERAL DIVISIONS OF FLOWERS. 



Simple. Pistillate. 



Aqgregate. Perfect. 



Compound. Neutral. 



Staminate. Complete. 



INFLORESCENCE. 



The manner in which flowers are situated on plants. 

 Whorl. Cyme. 



Raceme'. Cor'ymb. 



Pan'icle. , Fas'cicle. 



Spike. Head. 



Umbel. 



CONCENTRIC CYLINDERS OF ROOTS AND HERBAGE. 



The substance of roots and herbage consists of — 



Cu'ticle. Wood. 



Cellular Integument. Pith. 



Bark. Medullary Sheath. 



Cams. 

 Roots are of seven kinds : 



Branching. Tuberous. 



Fibrous. Bulbous. 



Creeping. Granulated. 



Spindle. 



Herbage, is all the plant except the roots and fructification. 



It includes stems, leaves, and appendages. 

 Steins. — -Subdivisions are : 



Tioe, or Proper Stem. Pet'iole. 



Culm. Frond. 



Scape. Stipe. 



Pedun'cle. 

 G 18 



