LIST OF PLATES. 



Frontispiece. Live Oak (Quercus virginiana). 



Plate z. Exogenous Structure in Wood — Yearly Rings or Layers, 



3. Exogenous Structure in Wood— Medullary or Pith Ray. 



4. Exogenous Structure in Wood — Cross-sections Enlarged. 



5. Oak (Quercus alba). 



6. Asli (Fraxinus americana). 



7. Elm (Ulmus americana). 



8. Maple (Acer saccharum). 



9. Walnut (Juglansj. 



10. Hickory (Hicoria ovata). 



11. Chestnut (Castanea dentata). 



12. Beech (Fagus). 



13. Sycamore (Platanus occidentalis). 



14. Birch (Betula). 



15. Ixjcust (Robinia, Gleditsia). 



16. Whitewood (Liriodendron tulipifera). 



17. Black Willow (Salix nigra). 



18. Catalpa (Catalpa). 



19. Sassafras (Sassafras officinale). 



20. Horse Chestnut (j^sculus hippocastanum). 



21. Sweet Gum (Liquidambar styraciflua). 



22. Holly, Boxwood, Lignumvitae (Ilex), (Buxus, Cornus), (Guajacum). 



23. Persimmon, Osage Orange^ Cherry (Diospyros), (Madura), (Prunus). 



24. Teak, Greenheart (Tectona), (Nectandra). 



25. Mahogany (Swietenia mahagoni). 



26. Eucalyptus (Eucalyptus). 



27. Pine (Pinus). 



28. Kauri Pine (Dammara australis). 



29. Black Spruce (Picea nigra). 



30. Douglas Spruce (Pseudotsuga taxifolia), 



31. Hemlock (Tsuga). 



32. Larch, Tamarack (Larix). 



33. Cedar (Cedrus, Thuya, etc.). 



34. Cypress (Cupressus, Taxodium). 



35. Redwood (Sequoia). 



36. Endogenous Structure in Wood. 



37. Palm (Palmacece). 



38. Yucca (Yucca), 



39. Bamboo (BambusEe). 



