258 POWDERED VEGETABLE DRUGS 



37. (Fig. 56.) CANELLA. Canella Bark. 

 Fl. ex. 60. 



White wood, White cinnamon, E. Weisser Zimmt, Weisser Canel, G . 

 Canelle blanche, Fr. 



The bark of Canella alba Murray, Canellaceae. 



Very pale brownish yellow. 



Aromatic, recalling cinnamon. 



Pungent, somewhat bitter. 



Isodiametric sclerenchyma cells with unequally thickened walls; 

 bark parenchyma with numerous aggregate crystals of calcium oxalate 

 and large cells filled with a bright yellow resin; some rather small 

 spherical simple starch granules. 



Ash 6 per cent. 



Not generally adulterated. Winter's bark may be substituted for it. 



