ZINGIBER. GINGER. 



133 



the high power the epidermis shows several layers of 

 corky tissue. Just beneath the cork layer the paren- 



Fio. 30. — Ginger. 

 CroM-scction ginger rhizome: cp. Epidermis; end, endodermis; 

 fo.b, fibro-vascular bundles; seer, olecrestn cells; scLj, wood fibres 

 (Greenish). 



chyma is free from starch and rich in secretory reservoirs. 

 The parenchyma tic cells of the cortex are polyhedral, 

 isodiametric, and thin-walled, and are separated by 



