PLATE III 



11. Red Oak. 82. (Vj,) 



12. Scarlet Oak. 83. (V5) 



13. Black Oak. 84: (v') 



14. Barren Oak. 85. (i/J 



15. Spanish Oak. 86. (Vg) 



16. Red Maple. 98. (V3) 



17. Silver-leaf Maple. 99. (i/J 



18. Sugar Maple. 100. (2/5) 



195 



