ATtC) CONIFERS. (I'iMC fa:mii,y.) 



axis i>f oily alliiiiiicM. CoUledons 3-12, linear. — Trees. Leaves evergreen, 



iiiH-tllf .■*li;i|iiil, 2 - ;") in 11 clustiT, their bjuios eniloscd in a thin .scurioiis sheath. 



* leaves two in each slwatli. 



1. P. pungens, Mirhx. (TAni.K-MoiMAiN I'iNi;.) Leave.s from a 

 sliiirt siii'iiili, cniwdiMl, short and rifjid ; cones larf^f, coniinouly 3-4 in a whorl, 

 ovate, ses.-iije, tlie thick scales ])ointe<l at the a|>ex, and armed with a very 

 stout s])ine, which on the ujijier scales is incurved, on the lower ones recurved. 



— .Mountains, rarely west of the Jihie Hidge, Georgia to North Carolina. — 

 A tree 40' - 50° high, w ith rigid and irregular branches. Leaves about 2' long. 

 C'oiu-s 3' long, yellowish browu. Buds resinous. 



2. P. inops, Ait. (Jkusev or Scuiu Pine.) Brandilets smooth and 

 glaucous; leaves from short sheaths, .scattered, short and rigid, Hat on the 

 inner face; cones solitary, conical-oiilong, mostly rcHcxeil, short-]ieduncled, 

 deciduous; scales armed with a straight sul)nlute rigid spine. — Dry sandy or 

 gravelly ridges in the upper districts. — A tree l.'>°-30° high, with rough 

 blackisii bark, and spreading or recurved flexilde branches. Leaves \'-2' 

 long, dark green. Cones liglit brown, alxjut 2' long. 



Var. clausa, Engelm. Leaves longer and finer ; cones nearly .«essile, 

 spreading or rctlcxed, mostly persistent for years; bracts 8 or 9 ; cotyledons 

 mostly 4. — Barren sandy ridges uear the coast, Florida. — Tree 10° -40° high. 

 Wood valueless. 



3. P. glabra, Walt. (Sprtce Pine.) Branches and branchlets smooth, 

 whitisli ; leaves slender, scattered ; cones generally solitary, somewhat cylin- 

 drical ; spines nearly obsolete. — In dam]) rich soil, Florida to South Carolina. 



— A tree 40''-60° '''o'lj witli smoothish bark and soft white wood, branching 

 from near the ground. Leaves 3'-4']<jng. Cones about 2' long. "Wings 

 of the seed lighter colored, more tapering, longer and less gibljous than those 

 of V. mitis." 



4. P. mitis, Michx. (SiiORT-LEAVED PiNE.) Leaves from a long 



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



small, mo.stly solitary, oval or conical-oldong ; the thin scales flattened at the 



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



clayey soil, Florida, and uortlnvard. — A large tree, witli rough hark, and fine- 



graineil vnlnable wood. Leaves 3' -5' long, .sometimes three in a sheath. 



C<»nos light brown, about \V long, opening at maturity. Wings of the seed 



reddish. 



# * Leaves three in each sheath. 



:"'. P. rigida, Miller. (Pitch Pixe.) 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 s])ine. — Sandy ])arreu 

 soil in the ujiper districts. — A small or middle-sized tree, with thick blackish 

 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, ^lichx. (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. — 



