THE TRUE PINES. 259 



pointed ; and the tree is more hardy when young, and grows 

 freely in almost any kind of soil. 



Pinus sylvestris monophylla., Hoclgins, the One-leaved 



Scotch Fir. 

 The leaves of this variety are attached to each other through- 

 out their length, and have the appearance of being united, but 

 by giving them a twist they separate into two, like the 

 ordinary Scotch Fir. It is a very singular variety. 



Pinus sylvestris VARIEGATA, Hort., the Variegated Scotch 



Fir. 

 This only differs from the ordinary form, in the mixture of 

 its pale straw-coloured with the usual glaucous or bluish-green 

 leaves, being produced on both old and young wood. 



Pin us sylvestris nana, Hort, the Pigmy Scotch Fir. 

 Syn. Pinus sylvestris pygmsea, Hort. 

 A very dwarf variety, not growing more than one or two 

 feet high, but spreading widely in a horizontal direction, and 

 having very stunted branches and leaves. 



Pinus sylvestris latifolia, Gordon, the Persian Scotch Fir. 

 Syn. Pinus Erzeroomica, Calvert 

 ,, sylvestris Persica, Hort. 

 Caucasica, Fischer. 

 altissima, Leclebour. 

 Leaves much broader, more glaucous, and longer than any 

 other variety of P. sylvestris. It is very robust, and grows 

 rapidly to a great size on the mountains near Erzeroom, in 

 Persia, and on the Caucasian Mountains. 



Pinus sylvestris Altaic a, Leclebour, the Altai Scotch Fir. 

 Syn. Pinus sylvestris Uralensis, Fischer. 

 Padufia, Leclebour. 

 A compact, pyramidal, middle-sized tree, with much shorter 

 and stiffer leaves, growing about fifty feet high on the bleak 

 Altaian Mountains, 

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