420 POWDERED VEGETABLE DRUGS 



141. (Fig. 139.) MEZEREUM. Mezereon. U. S. 



Fl. ex. 30. 



Seidelbastrinde, Kellerhalsrinde, G. Ecorce de meze're'on, de garou, de 

 laure\)le, de thymele, Fr. 



The bark of Daphne Mezereum L., and of other species of Daphne, 

 Thymeleaceae. 



Very light brownish gray. 



Odorless. 



Very pungent, develops very gradually. 



Brown to nearly colorless cork tissue and very numerous, very 

 slender, greatly elongated, thin-walled, bast fibers. Parenchyma cells 

 large, thin-walled, collapsed, empty. Some smaller, thicker outer 

 bark parenchyma with chlorophyll remnants and resinous matter. 



Ash 4 per cent. 



The bark of several other species is used. 



