LIST OF PLATES. 



Frontispiece. Live Oak (Quercus virginiana). 



Plate 2. 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. Ash (Fraxinus americana). 



" 7. Elm (Ulmus americana). 



" 8. Maple (Acer saccharum). 



" 9. Walnut (Juglansj. 



" 10. Hickory (Hicoria ovata). 



' II. Chestnut (Castanea dentata). 



" 12. Beech (Fagus). 



" 13. Sycamore (Platanus occiden tails). 



" 14. Birch (Betula). 



" 15. Ix)cust (Robinia, Gleditsia). 



" 16. Whitewood (Liriodendron tulipifera). 



" 17. Black Willow (Salix nigra). 



" 18. Catalpa (Catalpa). 



" 19. Sassafras (Sassafras officinale). 



" 20. Horse Chestnut (^Esculus hippocastanum). 



41 21. Sweet Gum (Liquidambar styraciflua). 



' 22. Holly, Boxwood, Lignumvitse (Ilex), (Buxus, Cornus), (Guajacum). 



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



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



" 25. Eucalyptus (Eucalyptus). 



" 26. Pine (Pinus). 



" 27. Black Spruce (Picea nigra). 



" 28. Douglas Spruce (Pseudotsuga taxifolia). 



" 29. Hemlock (Tsuga). 



" 30. Larch, Tamarack (Larix). 



" 31. Cedar (Cedrus, Thuya, etc.). 



' 3 2 - Cypress (Cupressus, Taxodium). 



' 33- Redwood (Sequoia). 



" 34- ENDOGENOUS STRUCTURE IN WOOD. 



" 35- PALM (PALMACE^E). 



" 36. Yucca (Yucca). 



" 37- Bamboo (Bambusae). 



