EUCALYP'i:itS TRiiES. 145 



Alps, fully one hundred bushels on one acre in a year, 

 worth so many dollars. If once established, such a 

 plant would gradually spread on its own account for 

 the benefit of future highland inhabitants. The Su- 

 gar Maple would seek these cold heights, to be tapped 

 when the "Winter snow melts. For half a century it 

 will yield its saccharine sap, equal to several pounds 

 of sugar annually. 



Let us translocate ourselves now for a moment to 

 our desert tracts, changed as they wUl likely be many 

 years hence, when the waters of the Murray River, 

 in their unceasing flow from snowy sources, will be 

 thrown over the back plains, and no longer run en- 

 tirely into the ocean, unutilized for husbandry. The 

 lagoons may then be lined, and the fertile depres- 

 sions be studded with the Date Palm ; Pig-trees, like 

 in Egypt planted by the hundreds of thousands to in- 

 crease and retain the rain, will then also have ame- 

 liorated here the clime ; or the White Mulberry-tree 

 will be extensively extant then instead of the Mallee 

 scrub ; not to speak of the Vine, in endless variety, 

 nor to allude to a copious culture of Cotton in those 

 regions. To Pig -trees and Mulberry - trees I refer 

 more particularly, because it must be always in the 

 first instance the object to raise in masses those utili- 

 tarian plants which can be multiplied with the ut- 

 most ease, and without any special skill, locally, and 

 which, moreover, as in this case, would resist the dry 

 heat of our desert clime. When recommending such 

 a culture for industrial pursuits, it is not the aim to 

 plant by the thousand, but by the million. Remem- 

 ber, also, that a variety of the Morus Alba occurs in 

 Affghanistan, -^ith a delicious fruit ; and that the im- 



