Illustrations, 



Figure 35-" 

 Figure 36.- 

 Figure 37.- 

 Figure 38.- 

 Figure 39.- 

 Figures 40 

 Weepi 

 Figure 44 

 Figure 45 

 Figure 46 

 Figure 47 

 Figures 4: 

 Figure 50 

 Figure 51 

 Figure 52 

 Figure 53 

 Figure 54 

 Figure 55 

 Figure 56 

 Figure 57 

 Figure 58 

 Figure 59 

 Figure 60 

 Figure 61 

 Figure 62 

 Figure 63 

 Figure 64 

 Figure 65 

 Figure 66 

 Figure 67 

 Figure 68 

 Figure 69 

 Figure 70 

 Figure 71. 

 Figures 72 



-Beech 



-Black Willow 



-Scythe-Leaved Willow 



-Shining Willow 



-Long-Beaked Willow 



41, 42, and 43. — White Willow, Yellow Willow 

 ng Willow, and Crack Willow 

 —Aspen 



— Large-Toothed Aspen 

 — Downv-Leaved Poplar 

 —Cottonwood . 

 and 49. — Balsam Poplar and Balm of Gilead 



— Lombardy Poplar 

 — Silver-Leaf Poplar 

 —Tulip Tree 

 —White Oak 

 —Post .Oak 

 — Burr Oak 

 —Swamp White Oak 

 —Chestnut Oak 

 — Yellow Chestnut Oak 

 —Black Jack 

 —Spanish Oak 

 — Scarlet Oak 

 — Black Oak 

 —Red Oak . 

 —Pin Oak . 

 —Willow Oak 

 —Shingle Oak 

 — Sweet Gum 

 —Flowering Dogwood 

 —Alternate-Leaved Dog 1 

 — Fringe Tree 

 — Catalpa . 

 and 73. — Black Haw and Sweet Viburnum 



