688 



Journal of Agriculture, Victoria. [ii Nov., 1912. 



Acacia Eiceana, "Kice Wattle." 8-10 feet. Tasmania. 



„ salicina, "Willow Acacia." 15-25 feet. Western Aus- 

 tralia, South Australia, Victoria, New South Wales, 

 Queensland, and North Australia. 

 saligna, "Western Wattle." 12-20 feet. Western Aus- 

 tralia. 



„ spectabiUs, "Showy Acacia." 8-12 feet. New South 

 Whales and Queensland. 



„ stricta, "Straight-leaved Acacia. 2-10 feet. Victoria,. 

 New South Wales, and Tasmania. 



„ strigosa, "Hairy Acacia." 2-4 feet. Western Australia. 



„ suaveolens, "Sweet Acacia." 6 feet. Victoria, New 

 South Wales, Queensland, South Australia, and Tas- 

 mania. 



„ verniciflva, "Varnish Acacia." 5-10 feet. Victoria, 

 New South Wales, South Australia, and Tasmania. 



„ verticillata, "Prickly Acacia." 8-15 feet. Victoria,. 

 New South Wales, South Australia, and Tasmania. 



Economic Value of Acacias. 



Acacias have both a direct and an indirect economic value. Owing 

 to the fact that they are plants which bear nitrogen-assimilating root 

 tubercles, they are important agents in maintaining the nitrogenous 

 constituents of a fertile soil, and hence making good the loss occasioned 

 by forest fires. The hard seeds of various species of acacia are able 

 to remain living in the soil for long periods of time. The following 

 are a few of the longest records obtained by me for different species 

 of acacia, whose seeds had been kept dry for the periods of time 

 mentioned : — 



