RADIX GLYCYRRHIZ^. LICORICE ROOT. 



103 



convoluted course, and in proper section show branchings. 

 A broad cambium line connects the bark with the wood. 



Fig. 18. — Cross-section op Glycyrrhiza. 

 b. Bast fibres, wood fibres; g, ducts; m, medullary rays; s, sieve 

 tubes; hp, wood parenchyma; cr, crystals; c, cambium; St. starch; 

 r, medullary ray in cortex (Tschirch). 



The wood rays consist of three tissues. In a ground 

 tissue of thin- walled, woody parenchyma there are wide 



