PINE FAMILY. CONIFERS. 



53 



8. Pinus pungens Michx. f. Table- Mountain Pine. Hickory Pine. . Fig. 117.) 



Finns fynngens Michx. f. Hist. Arb. Am. i: 61. />/. j. 

 1810. 



A tree with a maximum height of about 60 and 

 trunk diameter of 3>, the branches spreading, the 

 old rough bark in flakes. Leaves mostly in a's, 

 some iu 3's, stout and stiff, light green, *%'-$' 

 long, crowded on the twigs ; fibro- vascular bundles 

 2 ; young sheaths 5 "-8" long ; cones lateral, usu- 

 ally clustered, long-persistent on the branches, 

 ovoid, 3^'-5' long, 2 / -3 / thick while the scales are 

 closed, nearly globular when these are expanded ; 

 scales very thick and woody, their ends with a large 

 elevated-transverse ridge, centrally tipped by a stout 

 reflexed or spreading spine 2 // -2^ // long. 



In woods, sometimes forming forests, western New 

 Jersey and central Pennsylvania to North Carolina and 

 Tennessee. Ascends to 4000 ft. in North Carolina. 

 Wood soft, weak, brittle, light brown ; weight per 

 cubic foot 31 Ibs. May. 



9. Pinus Taeda L. Loblolly Pine. Old-field Pine. (Fig. 118.) 



1'inus Taeda L. Sp. PI. 1000. 1753. 



A large forest tree, reaching under favorable con- 

 ditions, a height of 150 and a trunk diani< 

 5, the branches spreading, the bark thick ami 

 rugged, flaky in age. Leaves in 3*3 (rarely some 

 of them in 2's), slender, not stiff, light green, as- 

 cending or at length spreading, 6'-io' long; fibro- 

 vascular bundles 2; sheaths S"-i2" long when 

 young ; cones lateral, spreading, oblong-conic. 

 long, I'-i/'j' thick before the scales open ; scales 

 thickened at the apex, the transverse ridge promi- 

 nent, acute, tipped with a central short triangular 

 reflexed-spreading spine. 



Delaware to Florida and Texas, mostly m-ar the coast. 

 north through the Mississippi ValK y t.. Ark inn*. 

 Wood not strong, brink-, coane-ffrained, li^ht brown; 

 weight per cubic foot \\ l!>- spring up in old 

 fields or in clearings. AN- - !U<1 Fr.mkincrnae Pine. 

 April-May. 



10. Pinus rigida Mill. Pitch Pine. Torch Pine. (Fig. 119.) 



Pinus rigida Mill. Card. Diet. Ed. 8, No. 10. 1768. 



A forest tree reaching a maximum height of about 

 80 and a trunk diameter of 3, the branches spread- 

 ing, the old bark rough, furrowed, flaky in strips. 

 Leaves in 3*5 (very rarely some in 4's), stout and stiff, 

 rather dark green, $'-5' long, spreading when mature ; 

 fibre-vascular bundles 2 ; sheaths 4 // -6 // long when 

 young; cones lateral, ovoid, i^ / ~3 / long, becoming 

 nearly globular when the scales open, commonly 

 numerous and clustered ; scales thickened at the apex, 

 the transverse ridge acute, provided with a stout cen- 

 tral triangular recurved-spreading prickle. 



In dry, sandy or rocky soil. New Brunswick to Georgia, 

 west to southern Ontario, West Virginia and Kentucky. 

 Ascends to 3000 ft. in Virginia. This forms most of the 

 "pine barrens "of Long Island and New Jersey. Wood 

 soft, brittle, coarse-grained, light reddish-brown; weight 

 per cubic foot 32 Ibs. Also called Sap Pine and Candle- 

 wood Pine; produces numerous shoots from cut stumps. 

 April-May. 



