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Description
Item #305504—Quercus alba, ring porous wood; vessels are often occluded with tyloses. Perforation plates are simple and parenchyma is abundant. Item #305600—Cross sections of pine, oak, and basswood mounted for comparison. Demonstrates the differences between hardwoods, softwoods, ring porous woods, and diffuse porous woods. Item #305246—Pinus strobus, bordered pits, Bars of sanio, uniseriate and fusiform rays with resin ducts, rays nondentate. Resin canals with thin-walled epithelial cells.
Item # 305504 - Quercus alba, ring porous wood, vessels are often occluded with tyloses. Perforation plates are simple and parenchyma is abundant. The broad rays are 12 to 30 seriate while the narrow rays are uniseriate.
Item #305600 - Cross sections of pine, oak, and basswood mounted for comparison. Clearly demonstrates the differences between hardwoods, softwoods, ring porous woods, and diffuse porous woods.
Item #305246 - Pinus strobus, bordered pits, Bars of sanio, uniseriate and fusiform rays with resin ducts, rays nondentate. Resin canals with thin-walled epithelial cells.
Item #305600 - Cross sections of pine, oak, and basswood mounted for comparison. Clearly demonstrates the differences between hardwoods, softwoods, ring porous woods, and diffuse porous woods.
Item #305246 - Pinus strobus, bordered pits, Bars of sanio, uniseriate and fusiform rays with resin ducts, rays nondentate. Resin canals with thin-walled epithelial cells.
