280 POWDERED VEGETABLE DRUGS 







64. CHENOPODIUM. Chenopodium. 



Fl. ex. 60. 



American wormseed, E. Amerikanischer Wurmsamen, G. Anserine 

 vermifuge, Fr. 



The fruit of Chenopodium ambrosioides L., Chenopodiaceae. 



Light brown. 



Very disagreeably and markedly terebinthine. 



Quite pungent and somewhat bitter. 



Vertical walls of epidermal cells wavy; simple trichomes with 

 usually four basal cells, elongated curved end cell; glandular trichomes; 

 numerous leaf parenchyma cells with crystal sand. 



Epidermal tissue of pericarp much like that of leaf but no trichomes ; 

 spongy parenchyma. Deep bright reddish brown tissue of testa. 

 Very thin walled endosperm tissue filled with proteid granules and fat. 



Ash 7 per cent. 



Adulterated with fruit of allied species. 



55. (Fig. 66.) CHICLE. Chicle Gum. 



The gummy exudate from the evergreen tree Achras sapota L., 

 Sapotaceae. 



Brown to light reddish brown. 



Brittle, crumbly masses in dry cold weather; soft, gummy in hot 

 weather. 



Faintly aromatic, agreeable odor. 



Tasteless. Gum like. 



May contain bark tissues, and usually contains some dirt, sand 

 and some tissue elements, and a trace of starch. Partially soluble in 

 alcohol. Upon evaporating a droplet of the alcoholic solution upon a 

 slide and examining under the high power of the microscope numerous 

 globules of uniform size and spherical form will be seen ; resembling very 

 closely a smear of a pure culture of some coccus and streptococcus 

 form. Pouring the alcoholic solution into water, a whitish emulsion 

 forms which rises toward the top portion of the water. The cork cells 

 and cork cell fragments which are generally present are deep reddish 

 brown in color with deep reddish brown cell contents. 



Ash 4.85 per cent. 



May contain an excess of sand, dirt and vegetable tissue. 



