434 CONIFERiE. (riNK FAMILY.) 



mill mostly damp soil, Floridix to North Carolina. — Commonly a lofty tree, 

 with vory thi<k and furrowed hark, and valuahlc, hut sparin;^ly resinous wood ; 

 hut in old fields low, with sjneading hranches. Leaves 6'- 10' long, rarely 2 or 

 4 in a sheath, dark green. Cones 3'- 5' long. 



8. P. australis, Michx. (Long-le.wkd or Yki.low Pink.) Leaves 

 very \owj:, from long sheaths, crowded at the summit of the thick and very scaly 

 hranches; cones large, cylindrical or conical-ohlong, the tliick scales armed with 

 a short recurved spine. (P. palustris, L., the prior hut inapjjropriatc name.) — 

 Sandy soil, constituting almost the entire growth of the Pine Barrens. — A lofty 

 tree, with thin-scaled hark, and very valuable resinous wood, dividing near the 

 summit into few spreading hranclies. Leaves 10' -15' long. Leaf-bracts sca- 

 rious, thnhriatc. Cones C- 10' long. 



* * * Leaves jive in each sheath. 



9. P. Strobus, L. (White Pink.) Leaves slender, from a vciy short 

 and deciduous sheath ; cones long, cylindrical, recurved, with the loosely im- 

 bricated scales neither thickened nor spiny at the apex. — A tree of moderate 

 dimensions on the mountains of Georgia and North Carolina, hut northward 

 one of the loftiest of trees, and greatly valued for its soft white wood. Leaves 

 3' - 4' long. Cones 4' - 6' long. 



2. ABIES, Tourn. Spruce. Fir. 



Chiefly as in Pinus, but the aments mostly solitary ; anthers opening length- 

 wise or transversely ; scales of the cone not thickened at the apex, nor spiny ; 

 wings of the seed persistent. — Leaves single, short. 



* Cones lateral, erect ; with the scales deciduous at maturity : anther<ells opening 



transversely. 



1. A. Fraseri, Pursh. (Silver or B.\ls.vm Fir.) Leaves somewhat 

 distichous, linear, flattened, obtuse or cmarginate, whitened beneath, the lower 

 ones somewhat recurved, the uppermost erect ; cone ohlong-ovatc ; bracts long, 

 oblong-wedge-shaped, short-pointed, reflcxed at the summit. — High mountains 

 of North Carolina, and northward. — A small tree. Leaves 6" -8" long. Cones 

 l'-2' long. 



* * Cones terminal, pendulous, with the scales persistent : antheT<ells opening 



lengthwise. 



2. A. Canadensis, Michx. (IIemlook-Spruce.) Leaves distichous, 

 flat, linear, obtuse, dark green above, whitened beneath ; cones small, oval or 

 oblong, with the few scales smooth and entire. — High mountains of North Car- 

 olina, and nortiiward — A large tree with the horizontal branches gradually 

 diminishing upward, forming a pyramidal spire. Leaves ^' long. Cones 8"- 

 9" long. 



3. A. nigra, Poir. (Black Spruce.) Leaves scattered on all sides of 

 the branches, needle-shaped, 4-sided, erect, dark green ; cone ovate or ovatC' 



