Quercus Sideroxylon, Humboldt.

Mountains of Mexico, at 8,000 feet elevation. An Oak of great size, of compact timber, almost imperishable in water. Q. lanceolata, Q. chrysophylla, Q. reticulata, Q. laurina, Q. obtusata, Q. glaucescens, Q. Xalapensis (Humb.) and Q. acutifolia (Nee), are among the many other highly important timber Oaks of the cooler regions of Mexico.