282 POWDERED VEGETABLE DRUGS 



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

 Fl. ex. 30. 



Pipsissewa, Prince's pine, Wintergreen, E. Dodenbluthiges 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. 



