138 



Bed Thorn, 72. 



Red Thorn-apple, 72. 



Eed Thorn Bush, 72. 



Eed Titi. 88. 



Eed Willow, 43. 



Red-wood. 28. 



Redwood (Sivietenia mahagoni, 86 



Red-wooded Elm, 60. 



Remarkable Pine. 17. 



Eetama. 81. 



Ehododendron, 102. 



Bidge Beech, 50. 



Bigid Pine, 17. 



Eiver Ash. 107. 



River Birch. 48. 



Eiver Birch (Betula lenta), 49. 



Eiver Cottonwood, 46. 



Eiver Hawthorn, 71. 



Eiver Maple, 92. 



Eiver Pine, 18. 



"Roble,"51. 



Eock Cedar, 36. 



Eock Chestnut Oak, 53. 



Eock Elm CUlmus pubescens). 60. 



Eock Elm (Vlmus amerwana). 60. 



Eock Elm (Ulmus racemosa), 60. 



Eock Maple. 91. 



Eock Oak (Quercus prinus), 53. 



Eock Oak (Quercus acuminata). 53. 



Eock Oak (Quercus douglasii), 54. 



Rock Pine, 15. 



Rocky Mountain Juniper, 35. 



Rocky Mountain Oak, 54. 



Rocky Mountain Pine, 14. 



Rocky Mountain Scrub Oak, 52. 



Rocky Mountain White Pine, 14. 



Eocky Mountain Yellow Pine, 15. 



Eose Acacia, 83. 



Eose Bay, 102. 



Eose-flowering Locust, 83. 



Eosemary Pine, 17. 



Eosemary Pine, 18. 



Eosemary Pine, 19. 



Rough-barked Poplar, 46. 



Roundtop Poplar, 47. 



Eoundwood, 70. 



Rowan-berry, 70. 



Royal Palm, 38. 



Rubber-tree, 63. 



Bum Cherry. 77. 



Russian Mulberry, 62. 



Rusty Nannyberry, 111. 



Sabine's Pine, 16. 



Saffron Plum. 104. 



Saguaro. 97. 



Sahuara, 97. 



Salad-tree. 80. 



Sandbar Willow, 43. 



Sand Jack. 58. 



Sand Pine (Pinus contorta), 16. 



Sand Pine, 18. 



Sand Pine (Pinus clausa). 18. 



Santa Cruz Ironwood, 67. 



Santa Lucia Fir, 26. 



Sapin,25. 



Sap Pine i Pinus twda), 17. 



Sap Pine (Pinus rigida), VI. 



Sapwood Pine, 16. 



Sargent Palm, 37. 



Sargent's Palm, 37 



•'Sarvice. " 71. 



Sassafac. 67. 



'Sassafrac, 67. 



Sassafras, 67. 



Satinleaf, 103. 



Satin Walnut, 68. 



Satinwood. 84. 



Savice, 71. 



Savin (Juniperus virginiana), 34. 



Savin (Tumion taxifolium), 36. 



Savin (Taxus floHdana).dl '. 



Saxifrax. 67. 



Saxifrax-tree, 67. 



Scalybark Hickory, 40. 



Scarlet-fruited Thorn, 72. 



Scarlet Haw, 72. 



Scarlet Haw (Cratcegus mollis), 72. 



Scarlet Maple, 92. 



Scarlet Oak, 56. 



Scarlet Thorn. 72. 



Scarlet Thorn-Haw, 72. 



Schott Cactus, 97. 



Schott Yucca. 38. 



Screwbean, 79. 



Screwbean Mesquite, 79. 



Screw-Pod Mesquite, 79. 



Scrub Oak (Quercus gambelii), 52. 



Scrub Oak (Quercus macrocarpa), 52. 



Scrub Oak (Quercus acuminata), 53. 



Scrub Oak (Quercus undulata), 54. 



Scrub Oak (Quercus catesbcei), 57. 



Scrub Oak (Quercus pumila). 57. 



Scrub Oak (Quercus 7narilandica), 5S. 



Scrub Pine (Pinus albicaulis), 14. 



Scrub Pine (Pinus contorta). 16. 



Scrub Pine, 18. 



Scrub Pine (Pinus clausa), 18. 



Scrub Pine (Pinus divaricata), 19. 



Sea Ash, 84. 



Sea Grape. 63. 



Seaside Alder, 49. 



Seaside Plum, 63. 



Senellier. 74. 



Sequoia (Sequoia washingtoniana). 28. 



Sequoia (Sequoia sonperviren*), 28. 



Serviceberry, 70. 



Serviceberry (Amelanchier abiifolia), 71. 



Service-tree. 71. 



Shad-berry, 71. 



Shad Bush. 70. 



Shade Pine, 14. 



Shagbark (Hickory), 40. 



Shagbark, 40. 



Shagbark Walnut, 41. 



Shasta Cypress, 32. 



Shasta Fir, 27. 



Shasta Eed Fir. 27. 



Shawnee wood. 109. 



She Balsam, 25. 



She Balsam Fir. 25. 



Sheepberry, 110. 



Sheepberrj ( Virbirnum prun\folium), 111. 



