CANNABIS SATIVA 



2-37 



As the stem develops, the pericycle forms a multilayered region in 

 which the fibers are developed. These cells can be recognized in 



pel fib 



Fig. 114. A sector of transection of nearly mature stem showing development of peri- 

 cyclic and phloem fibers : ca, cambium ; cM, chlorenchyma ; en, endodermis ; ep, epidermis ; 

 hyp, hypodermis ; la d, latex duct ; pel fib, pericyclic fibers ; ph fib, phloem fibers ; ph t., 

 secondary phloem; ves, vessel; xy ra, xylem ray; xy 2., secondary xylem. The primary 

 xylem, pith, and central cavity are not shown. 



