1. Wood Types

2. Coniferous Diffuse Porous Ring Porous

3. Conifers: radial files of cells (for most species) Note: colors are inverted! This is an x-ray!

5. Conifers: radial files of cells (for most species)

6. Resin ducts Tracheids Horizontal rays

7. Conifers: radial files of cells (for most species)

8. Southern Pines Ponderosa Pine Red Pine Yellow Pines = thick latewood Southeastern U.S. Western U.S. Northern U.S.

9. Eastern White Pine Western White Pine Sugar Pine White Pines = thin latewood

10. Balsam Fir White Fir Grand Fir Other Conifers (note lack of resin ducts!)

14. Ring porous: large earlywood vessels

16. Fibers Rays Vessels

17. Chestnut and Oak Elm and Hackberry Sassafras and Black Locust Hickory and Pecan

19. Oaks rarely have missing rings but they can have very compressed growth.

20. Oak often exhibits an offset in the rings across rays.

21. Diffuse porous: small vessels throughout

22. Vessels Fibers Rays

23. Sugar Maple Red Maple Dogwood

24. American Holly Black Cherry Tulip-Poplar

28. Staining with Phloroglucinol