coN/Ft:R.E. S58 pi^us/ 



unarmed, dilated in the middle. It abounds in the northern parts of the U. 

 S. and in Canada, attaining the hight ot>:0 feet, with a trunk 2 ieet in diam- 

 eter, very straight and uniforni. B;irk smoother, and of a clearer red than 

 other i)ines. Leaves chif lly collected towards the ends of the branches, 

 always in pairs, 5 — 8 inches in length, the sheaths ^ — 1^ inch. This pine 

 affords a fine-grained, resinous timber of much strength and durability, and 

 highly valued in architecture. May. Rul Pine. Kurway Pine. 



2. P. BaNKSIA'NA. Lamh. P. rupcstris. jlfz. 



Leaves in pairs, rigid, curved, acute, terete upon the back and channeled 

 above, margins somewhat scabrous ; co/^cs ovate-acuminate, recurved, tortu- 

 ous ; snihs unarmed, obtuse, smooth. A small tree, vvith long, spreading, 

 flexible branches, abounding in barrens, in Me. and British America, l^eaves 

 about an inch in length. Cones nearly twice as long as the leaves, usually in 

 pairs. April. May. Scrub Pine. 



3. P. INOPS. 



Leaves in pairs, rather short, obtuse, rigid, channeled above, terete beneath, 

 margins obs-.urely serrulate ; cones recurved, ovoid-oblong, as long as the 

 leaves; sail es of </(fi ro«e compact, obluse at base, with a straight, subulate 

 point. A tree J5 — 2b feet high, on barrens in tlie Middle States. Branches 

 straggling, and with the trunk, covered with a rough, blackish bark. Leaves 

 1 — 2 inches long. The wood abounds in resin. May. Jersey Pine. 



4. p. VARIa'bILIS. Lamb. P. mitis. 3/x. /. 



Leaves 2 — 3 together, channeled on the inner surface ; coves ovoid, snbsol- 

 itary ; scales armed with short, incurved spines. Widelv diffused throughout 

 the country, attaining the hight of 53 — (iO feet. Leaves dark green. 5 — 6 

 inches long, covering the branchlets. Cones 2 — :'. inches long, rugged with 

 the projectincr point of the scales. It furnishes close-grained and moderately 

 resinous limber which is used in immense quantities for all kinds (»f archi- 

 tecture. May. Yellow Pine. Spruce Pine. 



5. P. RI'GIDA. 



Leaves in 3s, with short sheaths; cnnrs pyramidal-ovoid, clustered ; scales 

 ■with reflexed spines. Common in barren, sandy plains, which it often exclu- 

 sively occupies. It is of moderate higlit at the north ('.25 — :iO feet), but attains 

 a great hight in the Southern States. The trunk, wiiirh is seldom straight, is 

 covered with a very thick and ro\igh bark cleft with deep furrows. Lf.^aves 

 4 — G inches long. Cones usually several together, 2 — 3 inches long. The 

 wood is heavy with resm, little used in architecture except for floors, but 

 makes excellent fuel. May. Pitck Pine. 



6. p. STROBUS. 



Leaves \n 5s. slender, with very short sheaths; coves solitary, cylindric, 

 loose, pendant lonoer than the leaves. This pine is one of the most majestic 

 and the most useful forest trees of this, or of any other country. The trunk is 

 perfectly straight, covered with a comparatively smootii bark, and, in some 

 instances, 5 — 7 feet in diameter, and UK) feet in hight without a limb ; then, 

 sendincf out a fiew branches, it forms a tufted head far above the surrounding 

 forest. The branches are given off in whorls which are very observable in 

 young trees. The leaves are about 4 inches long, numerous, slender, of a 

 bluish o-reen, forminir an extremel3' soft and delicate foliage. The wood is 

 soft, fine- grained, easily wrought, very durable, and is used in immense quan- 

 tities in all varieties of architecture. Tlie large trunks are in particular 

 Bouo-ht for the masts of ships. May. White or Weymouth Pine. 



