350 POWDERED VEGETABLE DRUGS 



95. GAULTHERIA. Gaultheria. 

 Fl. ex. 40. 



Wintergreen, Teaberry, Partridgeberry, Boxberry, Chickenberry, E. 

 Canadischer Thee, Bergthee, G. Feuilles de gaultherie, Th6 du 

 Canada, Th6 de terre-neuve, Fr. 



The leaves of Gaultheria procumbenslj., Ericaceae. 



Greenish yellow brown. 



Very pleasantly fragrant. 



Slightly bitter, very astringent. 



Histology closely similar to that of chirnaphila (see Chimaphila) , 

 excepting that each stoma is surrounded by two neighboring cells 

 instead of four to five, and that crystals or calcium oxalate are few 

 or practically wanting in the leaf parenchyma. 



96. (Fig. 102.) GELSEMIUM. Gelsemium. U. S. 

 Fl. ex. 60. Tinct., 60. 



Yellow jessamine or jasmine, E. Gelsemie, Giftjasmine, G. Jasmin 

 sauvage, Fr. 



The rhizomes and roots of Gelesemium sempervirens Aiton, Log- 

 aniacese. 



Very pale brown. 



Somewhat narcotic, heavy. 



Very bitter. 



Considerable cork tissue. Parenchyma cells rather small, with 

 small spherical simple starch granules and prismatic crystals of cal- 

 cium oxalate. Numerous tracheids and large porous ducts. 



Ash 2.5 per cent. 



Rarely adulterated. 



