92. (Fig. 99.) GALLA. Nutgall. U. S. 

 Fl. ex. 40. Tinct. 40. 



Aleppo galls, Galls, E. Gallen, Gallapfel, G. Galle de che'ne, Noix 

 de galle, Fr. 



Warty (sub-globular) excresences upon Quercus infectoria Oliv., 

 Fagaceae, caused by the punctures, eggs and larvae of Cynips Gallae 

 tincloriae, Insecta. 



Ash gray. 



Inodorous. 



Very astringent. 



Large celled, thin-walled parenchyma and some rather thick-walled 

 parenchyma. Compound starch granules. Yellowish porous scleren- 

 chyma with walls of medium thickness. Some parenchyma cells 

 contain aggregate and prismatic crystals and oval or bean-shaped 

 dark brown tannin bodies. 



Much adulterated, ground olive pits and nut shells being most 

 commonly employed. 



