414 



THE UNIVERSE. 



The candleberry-myrtle (Myrlca cerifera) is another, but 

 in it the precious substance exudes from the fruit, and is 



191. Manna-Tree, Fraxinus ornus (Linnreus), and Manna-Gathering in Sicily. 



extracted by simply boiling it, the wax quickly rising to the 

 top. 



Again, some vegetable secretions, formed in obscurity, 

 deep in the stems of certain trees, and gathered by the in- 



