134 
Oak, Shingle, viii. 175. 
Oak, Spanish, viii. 147. 
Oak, Swamp Spanish, viii. 151 ; xiv. 51. 
Oak, Swamp White, viii. 47, 63. 
Oak, Tan Bark, viii. 183. 
Oak, the Fulham, viii. 7. 
Oak, the Lucombe, viii. 7. 
Oak, the Wadsworth, viii. 68. 
Oak, Turkey, viii. 143. 
Oak, Upland Willow, viii. 172. 
Oak, Valley, viii. 23. 
Oak, Valonia, viii. 8. 
Oak, Water, viii. 165, 169, 181. 
Oak, White, viii. 16, 23, 29, 33, 71, 87, 89. 
Oak, Willow, viii. 179. 
Oak, Yellow, viii. 55, 127, 189. 
Oak, Yellow-bark, viii. 137. 
Oaks, American, cultivated in Europe, viii. 
dls 
Ochroxylum, i. 65. 
Ocneria dispar, i. 51; ii. 54. 
Ocotea, vii. 9. 
Ocotea bullata, vii. 10. 
Ocotea Catesbyana, vii. 11. 
Ocotea, economic uses of, vii. 10. 
Ocotea feetens, vii. 10. 
Ocotea Guianensis, vii. 10. 
Ocotea opifera, vii. 10. 
Ocotea sericea, vii. 10. 
Ocotea splendens, vii. 10. 
Octandra, ix. 96. 
Octimia, ix. 151. 
Odontota dorsalis, iii. 38. 
(E£demasia concinna, iv. 70. 
Gnocarpus frigidus, x. 30. 
Ginocarpus regius, x. 31. 
Gnocarpus Sancona, x. 30. 
Ogeechee Lime, v. 79. 
Ohio Buckeye, ii. 55. 
Oidium radiosum, ix. 156. 
Oiketicus Abbotii, x. 150. 
Oil, Almond, iv. 9, 10. 
Oil, Apricot, iv. 10. 
Oil, Birch-bark, ix. 47. 
Oil of Birch, ix. 51. 
Oil of cloves, v. 41. 
Oil of Hemlock, xii. 65. 
Oil of Red Cedar, x. 95. 
Oil of Sassafras, vii. 14. 
Oil of turpentine, xi. 3, 9. 
Oil of Umbellularia, vii. 20. 
Oil, savin, x. 72. 
Oilnut, vii. 118. 
Oiosodiz, ix. 95. 
Old Field Birch, ix. 56. 
Old Field Pine, xi. 111. 
Old Man’s Beard, vi. 60. 
Olea Americana, vi. 65. 
Olea fragrans, vi. 63. 
Olea ilicifolia, vi. 63. 
OLEACEA, vi. 25; xiv. 33. 
Oleum Juniperi, x. 72. 
Olive, California, vii. 21. 
Olive-tree, Black, v. 21. 
Olney, Stephen Thayer, iii. 47. 
Olneya, iii. 47. 
Olneya Tesota, iii. 49. 
Oluntos, vii. 91. 
Olynthia, v. 39. 
Omorika, xii. 20, 23. 
Oncideres cingulatus, vii. 133. 
Onygena faginea, ix. 25. 
Oospora Abietum, xii. 84. 
Opa, v. 39. 
GENERAL INDEX. 
Opulus, v. 93. 
Opulus, v. 93. 
Opuntia, xiv. 9. 
Opuntia arborescens, xiv. 17. 
Opuntia cochinelifera, xiv. 11. 
Opuntia Dillenii, xiv. 13. 
Opuntia Dillenii, economic uses of, xiv. 13. 
Opuntia Ficus-Indieca, xiv. 12. 
Opuntia, fruit of as food, xiv. 12. 
Opuntia fulgens, xiv. 15. 
Opuntia fulgida, xiv. 15. 
Opuntia fulgida mamillata, xiv. 16. 
Opuntia Galapageia, xiv. 11. 
Opuntia horrida, xiv. 12. 
Opuntia intermedia, xiv. 12. 
Opuntia Italica, xiv. 12. 
Opuntia mamillata, xiv. 16. 
Opuntia maritima, xiv. 12. 
Opuntia, medical uses of, xiv. 13. 
Opuntia Opuntia, xiv. 12. 
Opuntia spinosior, xiv. 17. 
Opuntia spinosior, var. Ni 
Opuntia Tuna, xiv. 12. 
Opuntia Tuna, xiv. 12. 
Opuntia versicolor, xiv. 19. 
Opuntia vulgaris, xiv. 12. 
Opuntia vulgaris, B nana, xiv. 12. 
Opuntia Whipplei, B spinosior, xiv. 17. 
Orange, Mock, iv. 49. 
Orange, Osage, vii. 89. 
Orange, Wild, iv. 49. 
Orchidocarpum, i. 21. 
Orchidocarpum arietinum, i. 28. 
Oregon Cedar, x. 120. 
Oregon Crab-apple, iv. 77. 
Oregon Pine, xii. 90. 
Oreilles des Indes, iii. 9. 
Oreinotinus, v. 93. 
Oreinotinus, v. 93. 
Oreodaphne, vii. 10. 
Oreodaphne, vii. 9. 
Oreodaphne bullata, vii. 10. 
Oreodaphne Californica, vii. 21. 
Oreodaphne fotens, vii. 10. 
Oreodaphne Guianensis, vii. 10. 
Oreodaphne opifera, vii. 10. 
Oreodaphne sericea, vii. 10. 
Oreodaphne splendens, vii. 10. 
Oreodaphne, subgen. Umbellularia, vii. 19. 
Oreodoxa, x. 29. 
Oreodoxa, economic properties of, x. 30. 
Oreodoxa frigida, x. 30. 
Oreodoxa oleracea, x. 30. 
Oreodoxa oleracea (?), x. 81. 
Oreodoxa regia, x. 31; xiv. 105. 
Oreodoxa Sancona, x. 30. 
Oreoptelea, vii. 40. 
Orgyia inornata, x. 150. 
Orgyia leucostigma, i. 51; vii. 41. 
Oriental Liquidambar, v. 7. 
Ornanthes, vi. 25. 
Ornix crategifoliella, iv. 84. 
Ornix quadripunctella, iv. 126. 
Ornus, vi. 26. 
Ornus, vi. 25. 
Ornus dipetala, vi. 31. 
Ornus Europea, vi. 26. 
Ornus floribunda, vi. 27. 
Ornus rotundifolia, vi. 26. 
Ornus urophylla, vi. 27. 
Osage Orange, vii. 89. 
Osier holts, ix. 100. 
Osmanthus, vi. 63. 
Osmanthus Americanus, vi. 65. 
M. 
xiv. 18. 
Osmanthus Aquifolium, vi. 63. 
Osmanthus, economic uses of, vi. 63. 
Osmanthus fragrans, vi. 63. 
Osmanthus ilicifolius, vi. 63. 
Osmothamnus, y. 143. 
Osmothamnus, v. 143. 
Ostrya, ix. 31. 
Ostrya carpinifolia, ix. 32. 
Ostrya, economic properties of, ix. 32. 
Ostrya, fungal diseases of, ix. 32. 
Ostrya, insect enemies of, ix. 32. 
Ostrya Italica, ix. 32. 
Ostrya Japonica, ix. 32. 
Ostrya Knowltoni, ix. 37. 
Ostrya Mandshurica, ix. 32. 
Ostrya Ostrya, ix. 32. 
Ostrya Ostrya, ix. 34. 
Ostrya Virginiana, ix. 34; xiv. 104, 
Ostrya Virginica, ix. 82, 34. 
Ostrya Virginica, a glandulosa, ix. 34, 
Ostrya Virginica, B eglandulosa, ix. 34. 
Osirya vulgaris, ix. 32. 
Overcup Oak, viii. 47. 
Oxyacantha, iv. 83. 
Oxycedrus, x. 70. 
Oxycoccin, v. 117. 
Oxycoceus, v. 116. 
Oxycoccus, v. 115. 
Oxycoccus macrocarpus, v. 116. 
Oxycoccus palustris, v. 116. 
Oxycoccus palustris, var. (?) macrocarpus, v. 
116. 
Oxycoccus vulgaris, v. 116. 
Oxydendrum, v. 133. 
Oxydendrum arboreum, v. 135 ; xiv. 102. 
P&can, vii. 134. 
Pachylobius picivorus, xi. 11. 
Pachypsylla Celtidis-gemma, vii. 64, 
Pachypsylla Celtidis-mamma, vii. 64, 
Pachypsylla Celtidis-vesiculum, vii. 64. 
Pachypsylla venusta, vii. 64. 
Padus, iv. 8. 
Padus, iv. 7, 8. 
Padus Carolina, iv. 49. 
Padus Caroliniana, iv. 49. 
Padus cartilaginea, iv. 45. 
Padus demissa, iv. 42. 
Padus densiflora, iv. 41. 
Padus fimbriata, iv. 41. 
Padus hirsuta, iv. 41. 
Padus micrantha, iv. 41. 
Padus oblonga, iv. 41. 
Padus obovata, iv. 41. 
Padus rubra, iv. 41. 
Padus serotina, iv. 45. 
Padus Virginiana, iv. 45. 
Palzomorphe, vii. 92. 
Paleacrita vernata, vii. 41. 
Paliurus, ti. 41, 47. 
Pallavia, vi. 109. 
Pallavia aculeata, vi. 110. 
Palm, Cabbage, x. 30. 
Palm, Desert, x. 47. 
Palm, Fan, x. 47. 
Palm, Royal, x. 31. 
Pama, x. 29; xiv. 75. 
Palmer, Edward, viii. 106. 
Palmerella, viii. 106. 
Palmetto, x. 43. 
Palmetto brushes, x. 41. 
Palmetto, Cabbage, x. 41. 
Palmetto, Silk-top, x. 51. 
_ Palmetto, Silver-top, x. 53. 
