Bulletin of the of Agriculture . Red Oak (Radial Section, Magnified 50 Diameters). SP, springwood; SW, summerwood; MR, medullary ray; V, pores or vessels; X, wood prosen- chyma (fibers, etc.). Bui. 606, U. S. Dept. of Agriculture. Plate Post Oak, A White Oak (Radial Section, Magnified 50 Diameters). SP, springwood; SW, summerwood; MR, medullary ray; V, pores or vessels; X, wood pros-enchyrna (fibers, etc.); T, tyloses. RESISTANCE OF HARDWOODS TO CREOSOTE.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear