244 POWDERED VEGETABLE DRUGS 



30. (Fig. 49.) BRYONIA. Bryonia, Bryony. 

 Fl. ex. 60. Tinct. 40. 



Zaunriibe, Gichtriibe, G. Bryone blanche, Coulevree, Fr. 



The roots of Bryonia alba L., Cucurbitaceae. 



Very light brown. 



Slight odor, recalling taraxacum. 



Very bitter. 



Rather large thin walled parenchyma cells with compound starch 

 granules; some collenchymatous parenchyma; large porous and reticu- 

 late ducts; tracheids; small amount of cork tissue. 



Rarely adulterated. Related species may be substituted. 



