Naturalisation in Extra-Tropical Countries. 351 



Pinus nexilis, James. 



The White Pine of the Rocky Mountains, also known as the 

 - Bull- Pine. From New Mexico to British Columbia, ascending 1 to 

 13,000 feet. Prefers the limestone-formation. A valuable fir for 

 cold regions. It attains a height of 150 feet, according to Dr. 

 Gibbons, but Mr. J. Hoops states, that it is of slow growth. Stem 

 to 5 feet thick (Sereno Watson). Wood pale, soft and compact, of 

 fine texture, according to Prof. Sargent intermediate between that 

 of P. Strobus and P. Lambertiana. Dr. GL Dawson noted, that the 

 seeds afford food to the autochthones. 



Pinus Fortune!, Parlatore. (Abies Jezoensis, Lindley.) 



China, in the neighbourhood of Foo-Chow-Foo. A splendid fir, 

 to 70 feet high, somewhat similar in habit to P. Cedrus. 



Finns Fraseri, Pursh. 



Double Balsam-Fir. On high mountains of Carolina and Penn- 

 sylvania. This tree, which grows to a height of about 20 feet only, 

 yields with P. balsamea the well-known Canada-balsam. The tree 

 is hardy at Christiania still. 



Pinus G-erardiana, Wallich. 



Nepal Nut-Pine. In the north-eastern parts of the Himalayas 

 at an elevation of 10,000 to 12,000 feet, extending to Afghanistan. 

 With P. Deodara, P. excelsa, P. Webbiana, P. Smithiana and Juni- 

 perus excelsa reachiug the highest regions of pine-forests in 

 Southern Asia. The tree attains a height of 60 feet, with a com- 

 paratively short stem, exceptionally 10 feet in girth, and produces 

 very sweet edible seeds, also turpentine. Hoopes refers to it as 

 remarkable for the copiousness of its resin. In reference to the 

 nut-seeds the proverb prevails at Kunawar, " One tree a mans life 

 in winter." 



Pinus glabra, Walter. 



From Florida to the Mississippi, particularly in low hummocks 

 [Dr. Chapman] . Allied to P. mitis. It attains, according to Prof. 

 C. Mohr, a height of about 80 feet, stem-diameter to 3 feet. 

 Requires good moist soil ; growth comparatively quick ; shade 

 enduring. Wood light, soft, easily worked, not resinous, fit as 

 regards building purposes only for inside work [Hon. J. Colman], 

 Wood comparable to that of P. Strobus [Dr. PorcherJ . 



Finns grandis, Douglas. 



From California to British Columbia. Great Silver-Fir, also 

 known as the Yellow Fir. A splendid quick-growing fir, to 200 

 feet high and upwards, growing best in moist valleys of high 

 ranges. The stem occasionally attains a diameter of 7 feet at 130 

 feet from the ground, and of 6 feet at 200 ; concentric wood-growth 



