160 



Descrii^f ion.— Leaves in fives (and fours), 1^ to 2^ inclies long. Cones 1^ to 3 inches 

 long; their few scales thickened at the end and the blunt tip turned up ; scales fall- 

 ing away after the cone is ripe; purple when young, reddish-brown at maturity. 

 Bark milky white, especially on smaller branches. 



4. — White Pine. (Finns reflexa, Engelm.) 



Only sparingly distributed through southwestern New Mexico and 

 southeastern Arizona, usually on rocky slopes between 6,000 and 8,000 

 feet. It reaches a height of CO to 90 feet, with a diameter of 2 feet 5 is 

 generally a taller and more slender tree than the more northern White 

 Pines. The wood is light, hard, very flexible, but little used for lumber. 



Description. — Leaves in fives (and fours), slender, 2| to 4 inches long. Cones 6 to 8 

 inches long, on thick stems, ^ to 1| inches long, and erect the first year, but recurved 

 the second. Seeds large, flattened, wingless ; sweet as those of the Nut Pine (Finns 

 edulis, Engelm). Trunk slender, of ten crooked, with few branches at top. 



o.— PiNON Pine. Nut Pine. (Pinus edulis, Engelm.) 



A small trse, but of considerable importance throughout its range, 

 extending through southern Colorado, New Mexico, and western Texas, 

 generally occupying sand and limestone slopes up to 9,000 feet. Said 

 to be found also in southern Wyoming. Varies much in size, from 20 

 to 50 feet, but oftener about 25 feet, with a diameter of 1 to 2 feet. The 

 wood is light, soft, and quite durable when exposed to moisture. It is 

 especially valuable for fuel, for which it is extensively used, as also for 

 manufacturing charcoal, and for fencing ; occasionally used for poor 

 quality of lumber. 



Description. — Leaves chiefly in twos, 1 to 2 inches long, rigid, much curved or 

 straight. Cones 1^ to 2 inches long, globose ; ends of the few scales prolonged iuto 

 a truncate-i^yramidal tip; light russet color at maturity. The seeds (uuts)are 

 sweet and edible. Generally a low tree with round crown and bushy habit. 



6. — Pox-TAIL Pine. Hickory Pine. {Finns Balfouriana Murray, 



var. arisiafaj Engelm.) 



Eather rare, occurring chiefly in Colorado (but westward through 

 Utah, Nevada, and southeastern California) on dry rocky ridges between 

 7,500 and 12,000 feet. It attains a height of from 50 to 100 feet, with a 

 diameter of 3 to 8 feet. The wood is hard, tough, of a reddish color, 

 and where found in the mining districts has been much employed for 

 timbering mines, and to some extent for lumber. 



Description. — Leaves in fives, 1 to 1^ inches long, curved toward and closely pressing 

 the branch. Cones terminal, oval; purple when young, russet-brown at maturity; 

 2^ to 3^ inches long, with delicate i^rickles, which are recurved as the cone matures. 

 Bark reddish gray. 



7. — Bull Pine. Yellow Pine. Heavy- Wooded Pine. {Finns 



ponderosa, Dougl.) 



The predominant and most generally distributed tree of the Rocky 

 . Mountain region, and for commercial purposes the most important. It 



