232 SELECT PLANTS FOR INDUSTRIAL CULTURE 



the greatest gifts of God to man." The emanations from 

 Pines, particularly the very resinous species, are antimalarian 

 and antiseptic, as proved by residences near Pine forests, 

 and by the use of hospital buildings constructed of Pine 

 wood. 



Pinus Ayacahuite, Ehrenberg. (P. Lwdoniana, Gordon.) 



In Mexico, at an elevation of 8,000 to 1 2,000 feet. An 

 excellent Pine, 100 to 150 feet high, with a stem diameter 

 of 3 to 4 feet. It has the habit of P. excelsa, and is 

 equal to it in its own line of beauty (Beecher) and in hardi- 

 ness, yielding a much-esteemed white or sometimes reddish 

 timber. 



Pinus balsamea, Linne. 



Balsam Fir, Balm of Gilead Fir. Canada, Nova Scotia, south 

 to New England, Pennsylvania, and Wisconsin. An elegant 

 tree, 40 feet high, which with Pinus Fraseri yields the 

 Canada balsam, the well-known oleo-resin. The timber is 

 light, soft, and useful for furniture and implements. The 

 tree does not attain a very great age. Sends a pleasant odour 

 through the forest regarded as salubrious, especially in phthisis 

 diseases a remark which applies to many other pines. It 

 thrives best in cold, swampy places. Eligible for Alpine 

 regions. 



Pinus bracteata, D. Don. 



Southern California, up to 6,000 feet. A very handsome tree, 

 attaining 150 feet in height, with a slender, perfectly straight 

 stem, not more than 2 feet in diameter. The resin is used 

 for incense. 



Pinus Brunoniana, Wallich. (P. dumosa, D. Don.) 



Himalaya, descending to 8,000 and ascending to 10,500 feet. 

 Attains a height of 120 feet, and the stem a circumference of 

 28 feet ( J. D. Hooker) . Particularly eligible for Alpine tracts. 

 The timber is pale and soft, and does not stand exposure 

 well. 



Pinus Canadensis, Linne. 



Hemlock Spruce. In Canada and over a great part of the 

 United States, on high mountains, as well as on undulating 

 land. A very ornamental tree, 100 feet high, with a white 

 cross-grained wood remarkably durable when used for sub- 

 merged water-works ; also employed for railway ties. Accord- 



