HARDWOOD RECORD 



U/.p.f.~'' 



ON' OF THK WOOD OF CALIFOU- PLATE 4. TRANSVEKSE SECTION OF THE WOOD OF MEXICAN 



MAGNIFIED FIFTY DIAMETERS. WALXUT (Juglans rupestris) MAGNIFIED FIFTY DIAMETERS, a. r.— 



: w. f.— WOOD FIBERS; w. p. f.— ANNUAL RING; v.— VESSEL ; w. f.— WOOD FIBERS; w. p. f.— WOOO 



r. PITH RAYS; t.— TYLOSIS. PARENCHYMA FIBERS; p. r.~PITH RAYS. 



