22 



Table 11. — Conifers. 



WHITE PINE. 



Plan- 

 tation 

 No. 



County. 



Age. 



Area of 

 planta- 

 tion. 



Original 

 spacing. 



Number 

 of trees 

 per acre. 



Averag& size o<f 

 trees. 



Diame- 

 ter 

 breaat- 

 bigh. 



Height. 



1 





Years. 

 30 

 32 



Acres. 

 1.00 

 1.70 



Feet. 

 4 by 4 

 12 by 24 



404 



Inches. 

 7.5 

 13.1 



Feet. 

 40 



2 





50 











SCOTCH PINE. 



1 





33 

 35 



2 rows. 

 0.42 







9.0 

 8.6 



36 



2 





4 by 4 



266 



40 









AUSTRIAN PINE. 



1 





33 

 33 



1 row. 

 0.33 







T 



S 2 



31 



2 





4 by 4 



240 





5.9 



35 











NORWAY SPRUOE. 



1 





34 



0.50 



2 by 4 



320 



7.3 



50 









TAMARACK. 



1 



Bureau 



45 



0.07§ 



5 by 6 



506 



7. 6 J 57 













AUSTRIAN PINE. 



The plantation of Austrian pine at the State University has been a 

 decided failure. The single row of trees measured in Winnebago 

 County has done well. Individual trees found throughout the State, 

 however, often are poorly developed. Apparently there is little to 

 recommend this tree for planting in Illinois. 



NORWAY SPRUCE. 



Norway spruce has been widely planted as an ornamental tree, 

 usually with success. The only plantation studied was that at the 

 University of Illinois, which has done excellently. Norway spruce is 

 a good tree for shelter belts, but it is short-lived, and it may be that 

 even for this purpose white pine is more desirable. 



TAMARACK. 



But one tamarack plantation, a small one in Bureau County, was 

 found. It is on a west slope, with a clay loam soil. Some European 

 larch planted near by has far outstripped the tamarack, both in height 

 and in diameter growth. A few years ago an unusually dry season 

 occurred. The larch suffered little from it, but many tamarack trees 

 died and others were badly injured. 



[Cir. 81] 



