COCA BOLIVIAN. 73 



fireworks. Lately it has come into prominence as a 

 remedy for internal use in urinary disorders, and has 

 rendered a good service in the treatment of spasmodic 

 retention of urine in children, catarrhal cystitis, and in 

 chronic kidney diseases causing pain in kidneys, ureters 

 and bladder, and associated with rheumatic symptoms. 

 It is efficient as a gastric sedative in indigestion, 

 dyspepsia, and catarrhal gastritis. Dose, 10-60 grains. 



Distinctive character Stem woody, slender, elon- 

 gated, with a few lateral forked branches, and a few 

 scattered whitish roots below. Leaves crowded and 

 scale like, hair-tipped. Spore cases in spikes borne on 

 erect, forked, club-shaped branches, at right angles to 

 the prostrate stem, spores somewhat triangular, yellow, 

 forming a mobile powder which floats on water without 

 being wetted. 



COCA BOLIVIAN. Erythroxylon Coca, Lamk. 



N.O. Linaccce. 

 Syn. Erythroxylon Truxillense, Rusby. 



Part used Leaves. 



Action A powerful nerve stimulant and anodyne. 

 Coca prevents fatigue, and the leaves are chewed by the 

 South American natives to enable them to perform feats 

 of endurance; Is also used in the treatment of asthma 

 and as an aphrodisiac and a general nerve tonic. The 

 leaves contain an alkaloid, " Cocaine," which is used as 

 an anaesthetic. 



Preparations Fluid extract B.P. and U.S. P. : Dose, 

 J-i drachm. Solid extract : Dose, 5-10 grains. Wine 

 U.S. P. : Dose, 4 drachms. 



Distinctive character Leaves are brownish green, 

 oval, thin but tough, nearly 2 inches long and i inch 

 wide, with two lines on the under surface parallel 

 to the midrib, margins entire, apex rounded, a faint 

 projecting line occurs on the upper surface of the mid- 

 rib. Peruvian leaves, derived from Erythroxylon Truxil- 



