CALOTROPIS CALISAYA. 5! 



Is often added to tonic medicines. The root may be 

 chewed in dyspepsia, or an infusion of i ounce to a pint 

 of boiling water may be taken freely in doses of a 

 teacupful. 



Preparation Fluid extract U.S. P. : Dose, 15-60 

 drops. 



Distinctive character Rhizome about inch in 

 diameter, pale fawn-coloured longitudinally, wrinkled, 

 with numerous oblique transverse leaf scars above, 

 crowded in the part near the stem with small circular 

 root scars underneath. Fracture whitish, short, and 

 finely porous, with scattered woody bundles visible when 

 the section is wetted. Taste, aromatic, pungent, and 

 bitter. Odour, sweet and aromatic. The peeled rhizome 

 is usually angular and often split, and is less aromatic. 



CALOTROPIS. Calotropis procera, R.Br. 



N.O. Asclepiadacca . 

 Syn. Mudar Bark, A sclepias procera, Willd. 



Distinctive character The bark occurs in irregular 

 short pieces, slightly quilled or curved, and from - inch 

 thick, and f inch or more in width. Externally, greyish 

 yellow, soft and spongy ; internally, yellowish white and 

 smooth, or finely striated. Fracture short, yellowish 

 white. Taste, acrid and bitter. 



CALI5AYA. Cinchona Calisaya. Wedd. 



N.O. Rubiocea. 



Syn. Yellow Cinchona, Cinchona flava, China regia. 

 Part used Bark. 



Action Stimulant, tonic, antiperiodic. For medi- 

 cinal uses see Peruvian Bark. 



Distinctive character Bark in quilled pieces about 

 -1 inch in diameter, outer surface grey with many 

 darker lines and longitudinal fissures, and a few trans- 

 verse fissures, outer layer peeling off in places. 



