r^ ■- j_ 



i 



Ef ' 



•rn . 



L 



\ 



^^ 



m 



r 



k ■ 



i 



1-^ 



i 





• 



I 



* 



? 



1 



i» , 



. f.^ 



.^;', 



f 



*^ tf 



f 



F 



Sect. XTL] 



EOTAXY. 



413 



I 



Increasing tiic bi 

 mixture ? 



ilk 



and 



the medicinal activity of 



C 



arnphor Oils. — There are two sorts : one 



brought 



from the East, does not deposit ci ystals by keeping ; the 

 other does. Is the former the produce of Dryobalanops 

 Camphora'i If so^ what is the source of the latter? Is 

 it obtained from the foliage of Laurus Canqjhora (Cam- 



plwra officinariim^ Nees)^ or is it an artificially nianu 

 factured article ? The camphor deposited is said to b 

 similar to common camphor. 



Ki 



— All particulars of details about the 



manu- 



are desirable. 



Kino {Pterocarpus Marsupiiini) 



Turmeric. —The several commercial sorts of turmeric 



■ 



differ so much in external character as to throw doubt on 

 the identity of their origin. Are they not the produce of 

 several species of Curcuma ? Yv^ell-dried specimens, . 

 at^cornpanying the root, 

 different parts of India. 



The Grass- Oils. — The grasses used in India for afford- 



hould 



be transnntted from 



insf the oil 



srrass 



essence of verbena, or verbena-oil, to be ascertained, and 

 samples sent home, with details of the manufacture. 



Storax of commerce is supposed to be obtained! from the 

 Liquidamhar orieniale of Cyprus, and comes by the Red 

 Sea from the Persian Gulf; but the subject requires 

 investigation, for others believe the plant grows in Co- 

 bross, an island of the upper end of tbe Red Sea. Pr. 

 Pereira has ascertained that the liquid storax comes to us 

 by way of Trieste ; the storax of the Indian A^rchipelago 

 is yielded by the Liquidanthar Altiiwia of Blume, 





^ 



^ 



