67 



298. (31) SPECIES ET GENUS INCEBTA. 



a. Thick quilled bark. 



Note. This specimen ' comes from New Granada," and in appearance 

 looks like a very coarse piece of C. lancifolia bark. It is labelled " Con- 

 tains alkaloid, allied to the Cinchonas." 



ALKALOIDS AND THEIR SALTS. 



(32) ClNCHONINE. 



(33) CiNcnoNiNE SULPHATE. 



(34) QUININE ACETATE. 



(35) CITRATE. 



(36) HYDROCHI.ORIDE. 



(37) PHOSPHATE. 



(38) SULPHATE. 



(39) DISULPHATE. 



(40) QOINOIDINE. 



Note. Remarks on these alkaloids will be found under their respective heads 

 in the Chemical Collection. 



299. Cinchona Barks collected under the superintendence of H. VON 

 BERGEN (author of Versuch einer Monographie der China, 

 1826), for the purpose of illustrating the larks described and 

 figured in his work. 



(1) CHINA RUBRA. (Red Bark.) 



Note. This specimen consists of flat pieces, belonging apparently to 

 different species ; it consists partly of the bark of C. succirubra, Par., 

 and partly of that of C. lancifolia, Mitt is. 



(2) CHINA HUANUCO. (Silver, or Grey Bark.) 



Note. This specimen is in quills, and appears to correspond exactly 

 with the C. Peruviana, How., of Howard's collection. 



(3) CHINA REGIA. (Calisaya, or Yellow Bark.) 



Note. This specimen is mostly in quills, and is the bark of C. Cali- 

 saya, Wedd. 



(4) CHINA FLAVA DURA. (Hard Carthagena Bark.) 



Note. This specimen is in quills, and consists of the bark of C. 

 cordifolia, Mutis. 



(5) CHINA FLATA FIBROSA. (Woody Carthagena Bark.) 



Note. This specimen is in quilled pieces, and consists apparently of a 

 mixture of the bark of C. cordifolia, Mutis, and C. lancifolia, Muti*. 



(6) CHINA HUAMALIES. (Rusty Bark). 



Note. This specimen is in quills, and appears to be identical with 

 the C. omcinalis, var. /3, chahuarguera, R. et P., of Howard's collection. 



(7) CHINA LOXA. (Loarcr, or Crown Bark). 



Note. This specimen is in quills, and is a fine specimen of the bark 

 of C. omcinalis. 



