A TEXT-BOOK OF BOTANY. 

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-8 



* ssipppiMiWl^ 



B 



FlG. 176. Glycyrrhiza: A, transverse section; B, longitudinal section. B, bark; 

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

 s, sclerenchyma fibers, including wood fibers occurring in the wood and bast fibers present 

 in the bark; t, traches; m, medullary rays. After Meyer. 



