220 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 



somewhat less. The trees were set out in triangles 3^ feet apart. 

 Plots I to 7 were planted in the spring of 1898, Plots 8 to 10 in 

 the spring of 1899. The trees were pitted \n Plots 6, 9, and 10, 

 and notched in the other sections. 



Plot. 



I 

 2 

 3 



4 

 5 

 6 {a) 



7 

 8 



10 (rt) 



"Trees planted. 



Remarks. 



Norway spruce and ash \ 



Scots pine 



Douglas fir (green and } 

 glaucous) \ 



Sitka or Menzies spruce 

 Norway spruce 



Beech, German larch. Scots ) 



pine / 



Beech, oak ... ... ) 



Scots, German, and ) 

 Japanese larches in > 

 alternate rows ) 



Norway spruce, German ) 

 larch \ 



Japanese larch, German ) 

 larch, silver fir \ 



Black Italian poplar 



Japanese larch, German 

 larch, silver fir 



Black Italian poplar. | 

 silver fir i 



Mixture of shade-bearing and light- 

 demanding species. 



A " pure " wood of " light " trees. 



One of the most valuable exotic 

 conifers. 



These sections will not be thinned 

 heavily. The intention is to grow 

 pit-wood on a 30-40 years' rotation. 



These are examples of mixtures of 

 "shade" and "light" trees. 



A pure wood of light-demanding 

 species. 



A "light"' and "shade" mixture for 

 comparison with Plot 7. 



A " light" and "shade" mixture. 



A pure wood of " light " trees. 



Manured at the rate of 16 cwts. of 

 basic slag per acre before planting. 

 Compare Plot 9 (a). 



Compare with Plot 9 (/'). 



The foregoing plantations are protected on the west side by a shelter-belt 

 of Scots pine 20 yards wide. The shelter-belt is divided into eight 

 sections, each of them 40 yards long, which have been planted in the 

 following manner : — 



Sections A and E — Trees planted in pits 12 in. by 12 in. 

 ,, B ,, F — Trees planted in T-shaped notches. 

 ,, C ,, G — Turfs 15 in. by 15 in. removed, soil stirred 



with pick, trees planted and turfs slit, 



inverted, and replaced. 

 ,, D ,, H — Planted in the same way as last, except that 



the soil was stirred by means of a special 



German implement. 



" A small arboretum has been formed on the S.E. corner of 

 Broomy Hill, consisting of conifers, deciduous trees, and shrubs. 

 Three trees of each variety are planted in close proximity with 



