Tin Trees of Texas 



71 



The trees are too small to be of value for timber. 

 used for fuel. 



It is 



6. Quercus Mublerbergii Englemann. Yellow Oak. Tan 

 Hark Oak. A large forest tree with maximum height of 100 

 and trunk diameter of 6-7, but usually smaller, 60- 

 7<> high, and 3-4 in diameter. The branches are spreading, 

 forming a rather broad crown. The bark on old trunks is 

 about 1%' thick, close, light to dark gray, scaly, sometimes 

 separating in rather large flakes. Leaves with petioles 

 'u'-Hi' long, obovate to oblong lanceolate, taper pointed, 

 coarselly toothed, teeth incurved, glandular, hairy on both 

 sides when young, smooth above at maturity, hairy below. 

 Arom yS-%' long enclosed for about one-third of its length 

 by the thin, silvery gray cup-shaped cup. This tree is fre- 

 quently confused with Quercus prinus from which it may 

 be distinguished by the bark on the mature trunk. 



Vermont to Minnesota, south to Florida and west to Texas. 

 It is most abundant on limestone soils. 



The wood is heavy, close grained, hard and strong. It is 

 used for the same purposes as Quercus alba. 



7. Quercus Michauxii Nuttall. Cow Oak. Basket Oak. 

 A large forest tree reaching a maximum height of 100 with 

 tnmk diameter of 6-7. The branches are stout and up- 

 right, forming a rather narrow rounded crown. The bark is 

 V-i to Y thick, light ashy gray, separating into thin plates. 

 Leaves obovate to broadly oblong with petioles %'-l l /4' long, 

 short taper-pointed at the apex, wedge-shaped or sometimes 

 rounded at base, toothed, smooth and dark green above, paler 

 and densely hairy beneath. Acorns solitary or in pairs, borne 

 on short stalks, nut ovoid I'-l 1 /}/ long, one-half enclosed in 

 the scaly, pubescent, saucer-shaped cup. 



Delaware to Indiana. Missouri, south to Plorida and west 

 to Texas. In Texas it extends to the Trinity Valley. 

 Uses similar to Quercus alba. 



8. Quercus Brayi Small. Bray's Oak. A rather large 

 forest tree attaining a height of 50 to 60 with gray, flaky 

 hark. Leaves obovate, somewhat triangular, wedge-shaped 

 toward the base, coarsely wavy toothed, thin, dark green 



