I. VEGETABLES.— RuBiACK^. 73 



of Humboldt and Bonpland, C lutescenSf C. graiidifoUa. Bark, 

 red bark, quinquina rouge, C. P. cascarilla amarilla, cortex ruber, 

 cinchoncB officinalis cortex ruber, cinchoncB oblongifolica cortex, cin" 

 chona rubra, P. U. S. thick, fibrous, brown red or dark fawn, 

 coat rugged, and cracked in various directions, fibrous, antiseptic, 

 used in gangrenous cases, contains quinine and cinchonine in 

 nearly equal quantities. 



CixcHoxA Hi'MBOLDTTANA, C oiW//o//rt of HuHiboldt. Bark, 

 cascarilla peluda, resembles'tliat of Cosmibueiia obtusifolia, cracked 

 lengthwise, inside clear yellow, bitter, astringent, resinous, is 

 usually mixed w ith that of C. glandxdifera. 



CixcHOXA GLAXDULiFERA. Bark, Havanuah bark, huanuco, 

 in larger pieces than that of C Humboldtiana, outside dark fawn, 

 warty and knobby, with perpendicular cracks, inside fawn, fibrous, 

 slightly resinous, bitter, slightly aromatic ; frequently mixed with 

 that of Cosmibuena obtusifolia. — Black huanuco, cascarilla negrilla, 

 A darker variety of the bark. 



Cinchona triflora. Bark, Jamaica bark, in a full dose 

 emetic. — Cinchona lacccefera. Fresh bark, scraped on the inside, 

 yields a red lake, dried bark, socchi, thick, red, slightly rolled, 

 spongy. 



Cosmibuena obtusifolia. Cinchona, macrocarjia, C, grandi- 

 Horci, C. ovali folia of Mutis, Bark, pale bark, female Loxa, Lima 

 hark, quinquuia blanc, C. P. outside whitish grey, cracked trans- 

 versely, inside pale fawn, breaks clean, not very resinous nor 

 aromatic, mixeci with other bark, especially that of myroxylon 

 ]Kflicellatum, Cinchona longifiora. A variety: bark, Guaiana 

 niirh, in long pieces, thick, bitter, scentless. 



ExosTEMMA Caryb^um, Cinchoua Caribcea, C. Jamaicensis, 

 Bnrk, Carihbee bark, quinquina des Antilles, cinnamon colour, 

 ))ittc'r, scentless, cheap. — Exostemma, brachycarpxim. Bark emetic 

 in a full dose; from Jamaica. — E. floribundum, Cinchona fiori- 

 hundn, C. montana, C. Sanctce Luzia:, C. Luziana. Bark, Sainte 

 Lucie bark, quinquina piton, thick, brown, rugged, inside rusty 

 fawn, mostly UM?d externally, being apt to excite vomiting and 

 purging. — E, coriaceum, C. coriacea, C. nitida. Bark highly 

 esteemed in America. 



In the generality of Pharmacopoeias the grey, yellow, and red 

 b.u ks are enumerated ; the Paris Codex adds to tliem Q?iinquina 

 hl'iiir^ (^.pifoii, Ql. des Antilles, and (^.orange: some of the other 

 1- irks are used for grinding with these, and reducing their price. 

 The bark of Macroaienum rorgmbosum, of the Weinmannia, called 

 fed tan bark, and that oi Funis f 'Ileus, are mixed with these 

 bTiks, — The chemical habits of these several barks arc very dif- 

 ferent, but they cannot well be examined in Europe. The 

 infusion of some kinds precipitates the infusion of nut galls, as 



