354 POWDERED VEGETABLE DRUGS 



98. (Fig. 104.) GERANIUM. Geranium. 

 Fl. ex. 30. 



Cranesbill, E. Fleckstorchschnabel, G. Racine de geranium macule, 

 Bec-de-grue tachete", Pied-de-corneille, Fr. 



The rhizomes of Geranium maculatum L., Geraniacese. 



Rather dull grayish brown. 



Odorless. 



Very astringent. 



Some cork tissue; large loosely united typical parenchyma cells 

 with rather large, simple, oval and somewhat irregular starch granules, 

 hili and stratification indistinct. Some parenchyma cells bearing 

 large aggregate crystals of calcium oxalate. Some thick-walled porous, 

 somewhat elongated cells. Reticulate and porous ducts. 



Adulterated with roots of Potentilla Tormentilla and Polygonum 

 Bistorta. 



