SALIX triandra, L., 66. _Plates_ 66, 67 " pentandra, L., 66. _Plates_ 68, 69, 70 " fragilis, L., 63. _Plates_ 59, 60, 61 " russelliana, Sm., 64 " alba, L., 65. _Plates_ 62, 63, 64, 65 " cinerea, L., 68 " aurita, L., 68 " caprea, L., 67 " repens, L., 69 " nigricans, Sm., 69 " phylicifolia, L., 70 " arbuscula, L., 72 " viminalis, L., 70 " reticulata, L., 72 " purpurea, L., 71. _Plates_ 71, 72 " lanata, L., 71 " sadleri, Syme, 71 " lapponum, L., 72 " myrsinites, L., 72 " herbacea, L., 72 " babylonica, Hort., 73 POPULUS alba, L., 55. _Plates_ 49, 50, 51 " canescens, Sm., 56 " tremula, L., 56. _Plate_ 52 " nigra, L., 58. _Plates_ 53, 54, 55 " fastigiata, Desf., 60. _Plates_ 56, 57, 58 " balsamifera, L., 61 " monilifera, Hort., 61 Order TAXACEAE. TAXUS baccata, L., 74. _Plates_ 73, 74, 76 Order CONIFERAE. JUNIPERUS communis, L., 79. _Plates_ 75, 77 " bermudiana, L., 81 " virginiana, L., 81 CUPRESSUS lawsoniana, Murr., 169. _Plates_ 173, 174 ARAUCARIA imbricata, Pav., 171. _Plate_ 175 PICEA excelsa, Link., 155. _Plates_ 159, 160, 163 CEDRUS deodara, Loud., 167. _Plates_ 171, 172 " libani, Loud., 164. _Plates_ 169, 170 LARIX europaea, DC., 149. _Plates_ 153, 154, 155, 156 ABIES pectinata, DC., 152. _Plates_ 157, 158 PSEUDOTSUGA douglasii, Carr, 157. _Plates_ 161, 162 PINUS sylvestris, L., 81. _Plates_ 78, 79, 80 " laricio, Poir., 162. _Plates_ 166, 167, 168 " pinea, L., 160. _Plates_ 164, 165 INDEX. Abele, 55. _Plates_ 49, 50, 51 _Abies pectinata_, 152. _Plates_ 157, 158 _Acer campestre_, 49. _Plate_ 43 " _platanoides_, 53 " _pseudoplatanus_, 51. _Plates_ 44, 45, 46 _Aesculus carnea_, 143 " _hippocastanum_, 139. _Plates_ 1, 144, 145, 146, 147 Alder, 29, _Plates_ 17, 18, 19, 20; Berry-bearing Alder, 91, _Plates_ 88, 90 _Alnus glutinosa_, 29. _Plates_ 17, 18, 19, 20 Apple, Wild, 101. _Plates_ 98, 101, 104, 105, 106 _Araucaria imbricata_, 171. _Plate_ 175 _Arbutus unedo_, 114. _Plate_ 124 Ash, 45, _Plates_ 39, 40, 41, 42; Mountain Ash, 106, _Plates_ 111, 112, 113, 114 Aspen, 56. _Plate_ 52 Austrian Pine, 162. _Plates_ 166, 167, 168 Bay Tree, 143. _Plate_ 148 Beech, 20. _Plates_ 8, 9, 11, 12 _Betula alba_, 25. _Plates_ 13, 14, 15, 16 " _nana_, 28 Birch, 25, _Plates_ 13, 14, 15, 16; Dwarf Birch, 28 Blackthorn, 92. _Plates_ 92, 93 Box, 125. _Plates_ 132, 133 Buckthorns, 90; Breaking Buckthorn, 91, _Plates_ 88, 90; Purging Buckthorn, 90, _Plate_ 89 Bullace, 94 _Buxus sempervirens_, 125. _Plates_ 132, 133 _Carpinus betulus_, 31. _Plates_ 21, 22, 23, 24 _Castanea sativa_, 135. _Plates_ 140, 141, 142, 143