2 3 2 



Spruce, 3, 56; 4, 52; 5, 



19; 6, 12; 7, 45; 10, 

 91; n, 2. 



Spruce, Gregory's, 3, 62; 



10, 8. 



Spruce, Weeping, I, 76. 

 Oak, Black, 2, 56; 4, 44; 9, 



52; n, 10; n, 25. 



Bur, i, 117; 8, 47; 9, 96; 



12, 82. 



Chestnut, 12, 56. 



English, i, 65; 9, 100; 



12, 21. 



English, Weeping; I, I. 



Mossy-cup, I, 117; 8, 47; 



o, 96; 12, 82. 



Pin, or Swamp Spanish, 



2, 61; 9, 5i; ii, 78; 

 12, 55, 78. 



Pyramid, 9, 65. 



Red, i, 116; 4, 23; 10, 



84; n, 74; 12, 81. 



Scarlet, i, 101 ; 4, 36; 



11, 5 



Oak, Swamp Spanish. See 



Pin oak. 

 Oak Turkey, I, 109; 12, 74. 



Weeping English, i, i. 



White, 2, 13; 4, 32; II, 



9; 12, 6. 



Willow, I, in. 

 Obtuse-leaved Japan arbor 



vitae, 12, 73. 



Oleaster, i, 112; 6, 26; 7, 

 16; 8, 13, 36; n, 81. 



Umbel-flowered, 9, 106. 

 Orange, Mock. See Mock 



orange. 



Osage, 7, 30; 10, 87; 



ii, 14- 



Oriental Arbor Vitae, Thread- 

 like, n, 69. 



Plane tree, i; 57, 59; 6, 



i; ii, 79- 



Spruce, i, 14; 5, 25; 10, 



41. 



Osage Orange, 7, 30; 10, 



87; n, 14. 

 Osier, Red, 8, ii; 10, 52; 



11, 58. 



Siberian red, 8, 46. 

 Oval-leaved variety, cockspur 



thorn, 9, 86. 



Pagoda Tree, Japan, i, 38; 

 2, 40; 3, 69; 7, 23; 

 9, 39- 



Tree, Weeping Japan, i, 



75; 3, 51; n, 30. 

 Panicled Dogwood, ii, 3. 



Hydrangea, 3, 80. 

 Paper Birch, i, 12; 4, 26; 5, 



18; 7, 43; 12, 26. 



Mulberry, 9, 97. 

 Paulownia, Imperial, 12, 49. 

 Pea tree, Siberian, 2, 31 ; 4, 



So; 9, 3i. 



Peach, Red-flowering, Dou- 

 ble, 3, 63. 



Pear hawthorn, 5, 5; 9, 12, 

 21. 



Pearl bush, 4, 17. 



Pepper Bush, Common sweet ; 

 2, ii ; 10, 22; II, 4; 



12, 80. 



Pepperidge, or sour gum, 2, 



55; ii, 55; 12, 45. 

 Persimmon, 5, 60. 

 Pignut hickory, 4, 45. 

 Pin or swamp Spanish oak, 



2, 61; 9, 51; ii, 78; 



12, 55, 78. 

 Pine, Austrian, i, 2; 2, 52; 3, 



6; 4, 9; 5, 42; 6, 14; 



9, 43; 10, 30; 12, 25. 



Bhotan, I, 37; 2, 25, 43; 



4, 7; 10, 5- 



Corsican, i, 89. 



Mugho, I, 31; 2, 29; 7, 



48; 10, 18. 



Pitch, 7, 63. 



Scotch, I, 60; 6, 15; 7, 



49' 



