OAK FAMILY. 813 
SHINGLE eae Laurel va Shingle Oak. 
40-60 feet high, and 1-2 eet in diameter, with a smoothish bark ; branches 
numerous Sid sips Soe = goo 3- ae" nches slong. entire, somewhat crowded on eg 
petioles. Acorn rather small, roundish pec with a broad flattish base 
nearly hemispherical, salad in i; shallow eukoinel cup. 
Banks of st New w Jersey, southward, and in the Western States. 
Obs. This species—being chiefly confined to the a ied ah the 
Alleghany Mountains—is but little Bs nown in the east hough 
deriving its specific name from the roofing saiccal which it pee its 
timber is micihosbe of an iofecion anlite one for that purpose. 
*** Brack anp Rep Oak Group. Leaves deciduous, bristle-pointed, 
| or acutely sinuate-lobed. 
i pestctih leaves vipat underneath. 
9. L. Leaves somewhat coriaceous, cuneate, dilated at apex, 
— or Bree raty Blob 3 lobed, ‘aitoth pe Pea covered with a russet 
vernlent pubescence beneath, when young the nerves setaceously mucro- 
upule subturbinate ; ovoid. 
cK Quercus. Black Jack. Barren Oak. 
em 15-380 or 40 feet agin and 6-12 or 15 inches in diameter, with a thickish 
furrowed dark-colored bark ; branches numerous. Leaves 5- vi inches’ oe sae dila- 
ted at apex (4-6 inches w if Tega arrowed towards the base, short petioles, Acorn 
ovoid, seated in a rather deep or bout. peony subsessile cup. 
Sterile soils : New Jersey to Illinois and southward. 
Obs. This small tree—abundant in Maryland, and well known by the | 
manent ** Black Jack,”—is chiefly valuable for fuel. The nearly related 
Fic. 206. The Willow Oak (Quercus Phellos.) 
Fig. 207. The Laurel or Shingle Oak (Quercus —— 208. An acorn. 
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