INDEX TO VOL. IX. 
Names of Orders are in SMALL CAPITALS; of admitted Genera and Species and other proper names, in roman type; 
of synonyms, in italics. 
Abele, 154. 
Acmophylla, 96. 
Acoptus suturalis, 41. 
Acronycta Populi, 156. 
ZEcidium myricatum, 86. 
Agaricus adiposus, 25. 
Agaricus salignus, 101. 
Aigeiros, 152. 
Aigiros, 151. 
Alder, 73, 75, 77, 79. 
Alder Blight, 70. 
Alder, Seaside, 81. 
Alders, European, wood of, 70. 
Almond Willow, 111. 
Alnaster, 68. 
Alnaster fruticosus, 68. 
Alnaster viridis, 68. 
Betula, 67. 
Betula acuminata, 46, 55. 
Betula alba, 47. 
Betula alba, 47. 
Betula alba, economic properties of, 47. 
Betula alba in Japan, 48. 
Betula alba odorata, 47. 
Betula alba, a vulgaris, 47. 
Betula alba, B populifolia, 55. 
Alnus rhombifolia, 75, 79. Betula alba, « papyrifera, 57. 
Alnus rotundifolia, 69. Betula alba, subsp. 5. occidentalis, a typica, 
Alnus rubra, 69, 73. 65. 
Alnus rugosa, 69. Betula alba, subsp. 5. 8 commutata, 57. 
Alnus serrulata, 69. Betula alba, subsp. 6. a communis, 57. 
? Alnus serrulata, B rugosa, 75. Betula alba, subsp. 6. 8 cordifolia, 57. 
Alnus serrulata, y oblongifolia, 79. Betula alba, subspec. populifolia, 55. 
Alnus tenuifolia, 75. Betula alba, subspec. pubescens, 47. 
Alnus nigra, 69. 
Alnus nitida, 70. 
Alnus oblongata, 81. 
Alnus oblongifolia, 77, 79. 
? Alnus occidentalis, 75. 
Alnus Oregona, 73. 
Alnus ovata, 68. 
Alnus pubescens, 68. 
Alnus rhombifolia, 77. 
Alnobetula, 67. 
Alnus, 67, 68. 
Alnus acuminata, 79. 
Alnus acuminata, a genuina, 79. 
Alnus Alnobetula, 68. 
Alnus alpina, 68. 
Alnus barbata, 69. 
Alnus Brembana, 68. 
Alnus communis, 69. 
Alnus crispa, 68. 
Alnus denticulata, 69. 
Alnus, economic uses of, 69. 
Alnus elliptica, 69. 
Alnus Februaria, 69. 
Alnus fruticosa, 68. 
Alnus, fungal diseases of, 70. 
Alnus glauca, 69. 
Alnus glutinosa, 69. 
Alnus glutinosa in the United States, 70. 
Alnus glutinosa (vulgaris), 69. 
Alnus glutinosa, y Sibirica, 68. 
Alnus glutinosa, 8 serrulata, 69. 
Alnus glutinosa, var. rugosa, 69. 
Alnus, hybrids of, 68. 
Alnus ineana, 68. 
Alnus incana, 68. 
Alnus incana, B, 69, 75. 
Alnus incana, a glauca, 75. 
Alnus incana, n rubra, 73. 
Alnus incana, var. glauca, 69. 
Alnus incana, var. virescens, 75. 
Alnus, insect enemies of, 70. 
Alnus Japonica, 69. 
? Alnus Jorullensis, var. acuminata, 79. 
Alnus lanuginosa, 69. 
Alnus maritima, 81. 
Alnus maritima, a typica, 81. 
Alnus, medical properties of, 69. 
Alnus Morisiana, 69. 
Alnus Nepalensis, 70. 
Alnus undulata, 68. 
Alnus viridis, 68, 75. 
Alnus viridis, B Sibirica, 68. 
Amerina, 95. 
Amygdaline, 96. 
Andersson, Nils Johan, 138. 
Argentez, 96. 
Argorips, 95. 
Arhopalus fulminans, 10. 
Asp, Quaking, 158. 
Aspen, 155, 158. 
Aspidisca ostryefoliella, 32. 
Athysanus variabilis, 48. 
Australian Myrtle, 23. 
Balaninus caryatrypes, 10. 
Balaninus rectus, 10. 
Balsam, 167. 
Balsam Cottonwood, 175. 
Beaufort, Duchess of, 19. 
Beaufortia, 19. 
Bebb, Michael Schuck, 132. 
Bedford Willow, 99. 
Beech, 27. 
Beech, Blue, 42. 
Beech, Bull, 23. 
Beech, Copper, 24. 
Beech, Cut-leaved, 24. 
Beech, Evergreen, 23. 
Beech, Fern-leaved, 24. 
Beech, Japanese, 22. 
Beech, New Zealand Black, 23. 
Beech, New Zealand Silver, 23. 
Beech-nuts, poisonous properties of, 23. 
Beech-oil, 24. 
Beech, Purple, 24. 
Beech, Red, 23. 
Beech-tar, 24. 
Beech, Weeping, 24. 
Betula, 45. 
Betula alba, subspec. verrucosa, « vulgaris, 
47. 
Betula alba, var. populifolia, 57. 
Betula Alnobetula, 68. 
Betula alnoides, 46. 
Betula Alnus, B glutinosa, 69. 
Betula Alnus, B incana, 69. 
Betula-Alnus glauca, 69. 
Betula-Alnus maritima, 81. 
Betula-Alnus rubra, 69. 
Betula Alnus (rugosa), 69. 
Betula carpinifolia, 50. 
Betula cordifolia, 57. 
Betula crispa, 68. 
Betula cylindrostachys, 46. 
Betula, economic properties of, 48. 
Betula Ermani, 48. 
Betula Ermani, 57. 
Betula excelsa, 53, 57. 
Betula excelsa Canadensis, 55. 
Betula, fungal diseases of, 49. 
Betula glandulosa, 47. 
Betula glutinosa, 47, 69. 
Betula Grayi, 46. 
Betula hybrida, 46. 
Betula, hybrids of, 46. 
Betula incana, 69. 
Betula, insect enemies of, 48. 
Betula intermedia, 46. 
Betula lanulosa, 61. 
Betula lenta, 50. 
Betula lenta, 55, 57. 
Betula lenta, a genuina, 53. 
Betula lenta, B lutea, 53. 
Betula Littelliana, 47. 
Betula lutea, 53. 
Betula Maximowicziana, 48. 
Betula Maximowiczii, 48. 
Betula, medical properties of, 48. 
Betula nana, 45, 47. 
