73 



303. (27) QUINQUINA ROUGE DE LIMA, continued. 



rouge de Santa F6, and for this reason he calls both by the name of 

 Quinquina rouge de Lima. He says this bark holds the middle place 

 between the Lima ordinaire and the rouge vrai ; and that it is a support 

 to his opinion, namely, that the true red bark and the officinal grey 

 cinchonas (Loxa and Lima) are produced by simple varieties of the same 

 botanical species. He has found amongst this Cinchona a light and very 

 fibrous bark which exactly answers to the Quinquina gris fibreux royal 

 d'Espagne." 



(28) QUINQUINA DIT HA VANE, ETC. 



Note. This specimen consists of four varieties found in the same 

 chest : a is labelled Q. havane ; I and c, Quinquina ferrugineux ; and 

 d, Quinquina de Loxa. The first three appear to be the bark of C. 

 pubescens, var. purpurea, R. et P., and the fourth is C. officinalis, L. 



FALSE CINCHONA BARKS. 



(29) EXOSTEMMA DE PEROU. 



Note. This is a thin bark, somewhat resembling oak bark externally, 

 and often green on the inner surface. It has a very bitter nauseous 

 taste. 



(30) EXOSTEMMA CARIB.EUM, R. et Sch. 



Note. This bark is thin, and has a yellowish dull outer surface, not 

 smooth and shining as in the E. de Perou. See llist. des Drag., t. iii., 

 p. 189. 



(81) QUINQUINA PITON. (Exostemmajloribundum, R. et Sch.) 



Note. This specimen exactly corresponds to Martiny's specimen of 

 Quinquina Piton, ou de Sainte Lucie. See Hist, des Drog., t. iii. , p. 189. 



(32) QUINQUJNA BICOLORE. 



Note. This specimen is exactly the same as Howard's specimen 

 labelled Stenostomum acutatuin. 



(33) EXOSTEMMA DU BRE"SIL. 



Note. This bark resembles that of Exostemma Caribaeum, R. et Sch. 

 The taste is nauseous, and very bitter. 



304. Collection of Barks sent to PEREIRA by GUIBOURT to illustrate the 

 descriptions given in the 4sth edition of the Histoire des 

 Drogues simples, t. iii., pp. 95-176. To this edition the 

 numbers following the French names of the barks refer. The 

 name " Planchon" placed after a specific name, is intend&l 

 to signify that ihe identification is given on his authority in 

 the 6th edition of the Hist, des Drog., t. iii., pp. 143-194. 



(1) QUINQUINA DE LOXA INFE"RIEUR. (No. ii., p. 103.) 



Note. This is the bark of C. Humboldtiana, Lamb., Planchon, p. 175. 



