282 POWDERED VEGETABLE DRUGS 



56. (Fig. 67.) CHIMAPHILA. Chimaphila. U. S. 



Fl. ex. 30. 



Pipsissewa, Prince's pine, Wintergreen, E. Dodenbliithiges Harn- 

 kraut, Wintergriin, G. Herbe de pyrole ombelle'e, Fr. 



The leaves of Chimaphila umbellata Nutt., Ericaceae. 



Grayish, greenish brown. 



Nearly odorless. 



Astringent, sweetish, bitterish. 



Vertical walls of lower epidermis wavy and nodular, cuticle much 

 thickened; stomata on lower surface only; leaf parenchyma with 

 aggregate crystals of calcium oxalate ; no trichomes. Some compound 

 starch granules. Histology similar to that of Gaultheria. 



