MATERIA MEDIC A. 105 



Calotropis gigantea, R. Br., and C. procera, R. Br., 

 the MUDAR, Indian fibre-yielding shrubs, of which the 

 latter is naturalized in North-east Africa and the 

 West Indies, have an alterative tonic bark to their 

 roots.* 



Tyloplwra asthmatica, Wight and Arnott, COUNTRY 

 IPECACUANHA, common in India and naturalized in 

 Mauritius, is used as a substitute for Ipecacuanha.^* 



LOGANIACE^:. 



Spigelia anthelmintica, the DEMERARA PlNK-ROOT, 

 is recommended as a vermifuge, a use to which its 

 congener, 5. marilandica, L., has been put for a 

 century.! 



Strychnos toxifera, Schomb., together with 5. cogens, 

 Benth., 5. Schomburgliii, Klot., and other species in 

 other districts, are the sources of the celebrated Wou- 

 rali, or Curare poison of Guiana, which has been tried 

 for rabies, and which, from its anaesthetic action, has 

 proved of such value in physiological research. 



Strychnos Nux-vomica, L., indigenous to India, and 

 vS. Ignatii, Bergius, ST. IGNATIUS' BEAN, a native of 

 the Philippines, contain in their seeds the bitter, 

 highly poisonous, but tonic alkaloids STRYCHNINE, 

 C 21 H 22 N 2 O 2 , and BRUCINE, C 23 H 26 N 2 O 4 .|| 



* Bentley and Trimen, iii., pi. 176. 'Catalogue of Indian 

 Exhibits : Colonial and Indian Exhibition/ p. 103. 

 t Bentley and Trimen, iii., pi. 177. 

 % Ibid., pi. 180. G. R. Bonyan, Pharm, Jtmrn.,' v (1846), 



PP- 354-5- 



T. Redwood in ' Pharm. Journ.,' iii (1843), p. 74 ; J. Moss, 

 ibid., viii (1877), P- 421 ; and Gustave Planchon, ibid., xi 

 (1880- 1), pp. 469, 49i, 754- 



|| Bentley and Trimen, iii., pi. 178, 179. 



