VEGETABLE POWDERS 



429 



\\U ' rl\l\\ 



^L$/l^o:o. 



cv^V?f ~ 



a ' 



Fig. 143. OPIUM, a, Epidermal fragments of the pericarp are very abun- 

 dantly present in Turkish opium; 6, epidermal cells of the poppy leaf which are 

 likewise abundantly present in gum opium; c, mold hyphse are usually abundant 

 as are also mold spores (d); e, bacteria are abundant;/, dirt particles and g, sand 

 particles are present; h, cereal (wheat) starch is usually present in small amounts; 

 i, crystals of the meconatet which are especially abundant in Persian gum opium 

 and constitute the characteristic inclusions of the Chinese smoking opium. It is 

 possible to determine the alkaloidal strength of the Chinese smoking opium by 

 the numerical crystal count. 



