List of Utility Varieties Description and Uses 43 



the attack is over it is often necessary to prune the trees to one 

 leader again. 



Practically no methods of extermination of these pests are 

 known, but at the time of writing investigations are being un- 

 dertaken by the Government which it is hoped will result in 

 some practical preventive or other measures being adopted. In 

 the case of " Bagworm " some growers hand pick the " Bags '> 

 from the younger trees when the infestation is light, thus prob- 

 ably preventing a rapid spread of the insects. 



CHAPTER IX. 



ALPHABETICAL LIST OF UTILITY VARIETIES, 

 WITH DESCRIPTION AND USES. 



(1) Acacia dealbata (Silver Wattle) Frost resisting and the 

 most reliable variety for firewood purposes at eleva- 

 tion of 5,000 feet and above. 



(2) Acacia mollissima (Black Wattle) The commercial variety 

 for bark, mine props, and firewood. Quick growth, 

 only hardy to 10 of frost. 



(3) Acacia normalis (Green Wattle) Closely resembling A. 



mollissima, but evidences a greater degree of resistance 

 to frost. General uses the same. 



(4) Acacia tnelanoxylon (Blackwood) On deep soil produces 



a magnificent timber, now used largely by wagon 

 makers, and useful for many purposes. Wood very 

 hard, splits well, and extremely durable. Highly re- 

 commended for extensive culture all over the country 

 East of Drakensberg and in Transkei. Also orna- 

 mental. 



<5) Acacia pi/cnantha (Golden Wattle) Richer in tannin than 

 the A. mollissima, but not so good a yield. Tender to 

 frost. 



(6) Callitris roT)usta (Australian Camphor Wood) Bather 

 slow growing, but a strong and useful timber. For ; 

 dry districts and sandy soil. 



(7) Casuarina quadrivalvis \ Quick growing and hardy. Tim- 

 C. cunninghamii I ber of little use, but an excel- 



(C. tenuissima) j lent breakwind tree. Roots 



C. leptoclada I spreading. 



(8) Ccdrus deodora A magnificent timber tree, and likely to 

 do well at high elevations. Slow growing at first. 

 Very handsome. 



