300 POWDERED VEGETABLE DRUGS 



65. (Fig. 76.) COCA. Coca. 



Fl. ex. 50. 



Cocablatter, G. Feuilles de coca, Fr. 



The leaves of Erythroxylon Coca Lam., Lineae. 



Brownish green to bright green. 



Somewhat fragrant, tea-like. 



Astringent, slightly bitter and benumbing. 



Vertical walls of epidermal cells straight; stomata on lower surface 

 only; outer walls of lower epidermal cells papillose excepting those of 

 the neighboring cells of the stomata; prismatic crystals of calcium 

 oxalate; no trichomes. 



The above description refers to the powder of Bolivian coca. 

 The Peruvian (Truxillo) coca and Brazilian coca are closely similar 

 histologically; the papillose projections of the lower epidermal cells 

 of the Brazillian variety are very distinct and nearly globose. 



66. COCCULUS. Fishberry. 



Kokkelskorner, Fischkorner, G. Coque du Levant, Fr. 



The fruits of Anamirta paniculata Colebrooke, Menispermaceae. 



Brown. 



Heavy, narcotic; becoming very fishy and rancid with age. 



Very bitter. 



Flattened epidermal cells; parenchyma cells with brown contents. 

 Numerous sclerenchymatous, thick walled, porous wood fibers. Endo- 

 sperm cells thin walled, filled with proteid granules and oil. Acicular 

 and prismatic crystals and crystal aggregates. 



Ash 5 per cent. 



Rarely adulterated. The endosperm tissue may become rancid. 



