ORGANIZATION: PLANT TISSUES. 



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713. Descriptive Classification of Tissues. 

 Epidermis. 



Epidermal 

 System. . 



Fibrovascular 

 System 



Simple hairs. 

 Many-celled hairs. 

 Branched hairs, often stellatCo 

 Trichomes. -I Clustered, tufted hairs. 

 Glandular hairs. 

 Root hairs. 

 Prickles. 



Guard-cells of stomates. 



Spiral vessels. 



Pitted vessels 



Scalariform vessels, 

 Xylem (wood), -j Annular vessels. 



Tracheides. 



Wood fibers. 



Wood parenchyma. 

 Cambium (fascicular). 



Phloem (bast). 



Fundamental 

 System 



Stem and root. 



Sjeve -tubes, 

 feast fibers. 

 Companion cells. 



;t parenchyma. 

 Cork. 



Collenchyma. 

 Parenchyma. 

 Fibers. 

 Milk tissue. 



Cortex. 



_.. . ( Parenchvma. 



Pith-ray., j 



Pith... 



Intrafascicular cambium 



Parenchyma. 

 Sclerenchyma. 



Bundle-sheath. 

 Endodermis. 



Leaves.. . \ Palis ^e tissue. 



' Spongy parenchyma. 



Reproductive Organs (mainly fundamental). 



