ORGANIZATION : PIANT TISSUES. 



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713. Descriptive Classification of Tissues. 



Epidermis. 



Epidermal 

 System. . 



Fibro vascular 

 System 



Fundamental 

 System. . . . 



Simple hairs. 

 Many-celled hairs. 

 Branched hairs, often stellate. 

 Trichomes. ■ Clustered, tufted hairs. 



Glandular hairs. 

 Root hairs. 

 Prickles. 



Guard-cells of stomates. 



Spiral vessels. 



Pitted \'essels 



Scalariform vessels. 



Annular vessels. 



Tracheides. 



Wood fibers. 



Wood parenchyma. 

 Cambium (fascicular). 



Xylem (wood). 



Phloem (bast). 



Sieve-tubes. 

 Bast fibers. 

 Companion cells. 

 Bast parenchyma. 

 Cork. 



Cortex. 



Pith-rav. 



Stem and root. 



Pith. 



Collenchyma, 

 Parenchyma. 

 Fibers. 

 Milk tissue. 



j Parenchyma. 



( Intrafascicular cambiurr 



( Parenchyma. 

 I Sclerench\'ma. 



Bundle-sheath. 

 Kndodermis. 



\ Palisade tissue. 



( Spongv parenchyma. 



Leaves. . . 



Reproductive Organs (mainly fundamental). 



