CRUDE DRUGS. 



473 



Fig. 204. Glycyrrhiza: A, transverse section; B, longitudinal section. B, bark; 

 li, wood; X, cambium zone; ph, cork cells; rp, cortex; p, parenchyma; k crystal fibers; 

 s, sclerenchyma fibers; t, tracheae; m, medullary rays. After Meyer. 



