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VEGETABLE SUBSTANCES. 



Hiccory Jvglans alba. 



the bark is, however, attended with much greater 

 difficulty and expense on account of its superior 

 hardness and toughness, and therefore quercitron 

 has almost entirely superseded the use of the hiccory 

 bark. 



A colour is extracted from a plant growing on the 

 banks of the Orinoco. This plant is called by the 

 natives Chica, and with its colour they paint their 



