L1TKKATURE OF SCOTTISH A.BBORICULTUBE. 



227 



into Britain will show that practical men were no less forward in 

 their attempts to stimulate and advance the cause of tree-culture and 

 the improvement of timber growing in this country, by adding to 

 the already acclimatised varieties such others as seemed suited to the 

 climate of Britain, and which have since become well known and 

 established denizens of our woods and pineta : — 



Pinus Cembra, introduced .... 1746. 



P. Laricio, „ .... 1759. 



P. pumilio, „ .... 1779. 



P. Pallasiana, „ .... 1790. 



P. calabrica, „ ) 



P. canariensis, „ J 



P. austriaca, „ i 



P. pyreniaca, „ \ 



Picea cephalonica, „ ... 



Pinus Pinsapo, „ ... 



Prior to that period there had been added to the flora of the 

 British woodlands many varieties from the seaboard of North 

 America, about the beginning of the eighteenth century, and from 

 India early in the nineteenth century, viz. : — 



1823. 



1835. 



1824. 

 1839. 



Among the more remarkable of the Californian species, the follow- 

 ing varieties had been introduced during this era of activity in arbori- 

 cultural literature down to the present day : — 



Pinus ponderosa, introduced in 1826 Abies Menziesii, introduced in 1831 

 Abies Douglasii, „ 1826 



Pinus tuberculata, „ 1825 



Pinus monticola, „ 1826 



P. muricata, ,, 1827 



P. Lambertiana, „ 1827 



Picea grandis, -\ 



„ amabilis, \ „ 1830 



,, nobilis, ) 



