CONIFERS. (pine FAMILY.) 433 



tree 40° - 50° high, with iigid and irregular branches. Leaves about 2' long. 

 Cones 3' long, yellowish-brown. Buds resinous. 



2. P. inops, Ait. (Jersey or Scrub Pine.) Branchlets smooth and 

 glaucous ; leaves from short sheaths, scattered, short and rigid, flat on the inner 

 face ; cones solitary, conical-oblong, mostly reflexed, sliort-pcdunclcd ; scales 

 armed with a clraight subulate rigid spine. — Dry sand}' or gravelly ridges in 

 the middle districts. South Carolina, and northward. — A tree 15° -30° high, 

 with rough blackish bark, and spreading or recurved flexible branches. Leaves 

 I' -2' long, dark green. Cones light brown, about 2' long, opening at ma- 

 turity, 



3. P. glabra, Walt. Branches and branchlets smooth, whitish ; leaves 

 slender, scattered ; cones generally solitary, somewhat cylindrical ; spines nearly 

 obsolete. — In close rich soil, near Black Oak, South Carolina, Bavend. — A 

 tree 40° - 60° high, with smoothish bark and soft white wood, branching froni 

 near the ground. Leaves 3' -4' long. Cones about 2' long. "Wings of the 

 seed lighter colored, more tapering, longer and less gibbous than those of P. 

 mitis." This species of Walter, long overlooked, but lately revived by Mr. 

 Ravenel, is, if I mistake not, not uncommon in the low hummocks of this State, 

 and is distinguished here, as in South Carolina, as the Spruce-Pine. 



4. P. mitis, Michx. (Short-leaved Pine.) Leaves from a long sheath, 

 crowded, very slender, concave on the inner face, dark green ; cones small, 

 mostly solitary, oval or conical-oblong ; the thin scales flattened at the apex, 

 and armed with a weak incurved spine. (P. variabilis, Pursh.) — Light clayey 

 soil, Florida, and northward. — A large tree, with rough bark, and fine-grained 

 valuable wood. Leaves 3' -5' long, sometimes three in a sheath. Cones light 

 brown, about l^-' long, opening at maturity. Wings of the seed reddish. 



* * Leaves three in each sheath. 



5. P. rigida, Miller. (PiTCH-PiNE.) Leaves crowded, from a very short 

 sheath, rigid, flattened on the inner face ; cones single or clustered, sessile, ovate, 

 the scales armed with a short and rigid recurved spine. — Sandy barren soil in 

 the upper districts, and northward. — A small or middle-sized tree, with thick 

 blackisli rugged bark, and hard resinous wood. Branches numerous, rigid, 

 rough with the persistent bases of the leaf-bracts. Leaves 3' - 5' long. Cones 

 2' -3' long, light-brown. 



6. P. serotina, Michx. (Pond-Pine ) Leaves somewhat crowded, from 

 a short sheath, elongated ; cones mostly opposite, round-ovate, sessile ; the 

 scales rounded at the apex, and armed with a very small and weak spine. — 

 Borders of ponds and swamps in tlie lower districts, Florida to North Carolina. 

 — A small tree, with rough bark and sappy valueless wood. Leaves 5' - 8' 

 long. Cones 2' -3' long. 



7. P. Tseda, L. (Loblolly or Old-field Pine.) Branches scaly; 

 leaves from a long sheath, slender, elongated ; cones large, solitary, oblong- 

 conical, with the scales armed with a short and rigid straight spine. — Light 



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