4 TRVNSACTIONS OF ROYAL SCOTTISH ARBORICULTIT^AL SOCIETV. 



Bronglit forwanl, 

 Poplar {ropnlns alba, P. canadensis, P. nUjra, P. pyramid 



alls, P. tremula), .... 

 Willow {Salix alba, S. caprea, S. frag His, S. purpiirea 



S. triandra, S. viminalis), ... 

 Asli {Fra-xi7uis excelsior and F. ornus). 

 Elm [I'limis cximpcstrifi, V. montana, U. suberosa), . 

 Maple {Acer campcstris, A. platanoidcs, A. 2^seudo lAatanus) 

 Alder {Alniis alpina, A. gliitinosa, A. incana). 

 Acacia (Robinia pseiulo-acacia). 



Lime {Tilia an/en/ea, T. grandifolin, T. parrifoUa), 

 Spruce {Abies excelsa), .... 



Silver Hr (Picea pectinafa), .... 

 Scots pine {Pinus sylvcs(ris), .... 

 Larch {Larix Europoe), .... 



76 "06 per cent. 

 ■ 2-38 



i-.';2 



0-47 

 0-39 

 0-09 

 13-81 

 3-31 

 1-91 

 006 



100 



The following trees and shrubs also occur in the forests, but not 

 in sufficiently large numbers to be mentioned separately in the above 

 list : — Quercus ^;?t6esce?is, Q. Huncjarica v. conferta, Castanea 

 vesca, Corylus cohirna, C. avellana, Sorhus Aria, Prunus spinosa, 

 Juglans nigra, Platanus orientalis, Morus nigra, Rhus cotinus, 

 Cornus sangidnea, Pinus austriaca, P. Mughus, P. Cemhra, 

 Juniperus communis, Taxus haccata. Experiments with a view 

 to the introduction of certain foreign species have been made in 

 the State foi-ests. 



The areas actually covered by the principal groups of species are 



as follows, viz. ; 



Sfniarc Miles. 

 9,930 



Oak 



Beech and other broad-leaved specie."?, 

 Conifers, .... 



18,761 

 6,768 



Total, . . 3.^,459 



The following table shows the area occupied by each of the 

 principal groups of species in the State forests, and their distribu- 

 tion throughout the three zones of altitude : 



