504 POWDERED VEGETABLE DRUGS 



190. (Fig. 183.) STILLINGIA. Stillingia. U. S. 

 Fl. ex. 30. 



Queen's delight, Silver leaf, E. Stillingie, G., Fr. 



The roots of Stillingia sylvatica L., Euphorbiacese. 



Rather pale reddish brown. 



Somewhat heavy, musty. 



Bitter, pungent. 



Cork tissue with reddish brown coloring matter. Parenchyma 

 cells filled with simple and compound irregular starch granules with 

 quite distinct slit-like hili. Some parenchyma cells, usually smaller, 

 with aggregate crystals of calcium oxalate. Some typical bast fibers; 

 tracheids and reticulate ducts. Medullary ray cells filled with starch. 



Ash 5 per cent. 



Rarely adulterated. 



