RHAMNUS catharticus, L., 90. _Plate_ 89 " frangula, L., 91. _Plates_ 88, 90 Order SAPINDACEAE. AESCULUS hippocastanum, L., 139. _Plates_ 1, 144, 145, 146, 147 " carnea, Willd., 143 ACER campestre, L., 49. _Plate_ 43 " platanoides, L., 53 " pseudo-platanus, L., 51. _Plates_ 44, 45, 46, 47, 48 Order LEGUMINOSAE. LABURNUM vulgare, Presl., 145. _Plate_ 149 ROBINIA pseudacacia, L., 147. _Plates_ 150, 151, 152 Order ROSACEAE. PRUNUS communis, Hudson, 92. _Plates_ 92, 93 " insititia, L., 94 " domestica, L., 94. _Plate_ 91 " avium, L., 95. _Plates_ 94, 95 " cerasus, L., 97 " padus, L., 98. _Plates_ 96, 97, 99 PYRUS communis, L., 98. _Plates_ 100, 102, 103 " cordata, Desv., 100 " malus, L., 101. _Plates_ 98, 101, 104, 105, 106 " aria, Ehrh., 103. _Plates_ 107, 108, 109, 110 " latifolia, Syme, 105 " scandica, Syme, 105 " torminalis, DC., 105 " aucuparia, Gaert., 106. _Plates_ 111, 112, 113, 114 " sorbus, Gaert., 109. _Plates_ 115, 117, 119 " germanica, Hook., 110. _Plate_ 116 CRATAEGUS oxyacantha, Pall., 112. _Plates_ 118, 120, 121, 122, 123 Order CORNACEAE. CORNUS sanguinea, L., 116. _Plates_ 125, 126 " suecica, L., 118 Order CAPRIFOLIACEAE. SAMBUCUS nigra, L., 123. _Plates_ 129, 131 VIBURNUM opulus, L., 120. _Plate_ 130 " lantana, L., 118. _Plates_ 127, 128 Order ERICACEAE. ARBUTUS unedo, L., 114. _Plate_ 124 Order OLEACEAE. FRAXINUS excelsior, L., 45. _Plates_ 39, 40, 41, 42 Order LAURACEAE. LAURUS nobilis, L., 143. _Plate_ 148 Order EUPHORBIACEAE. BUXUS sempervirens, L., 125. _Plates_ 132, 133 Order URTICACEAE. ULMUS montana, Stokes, 40. _Plates_ 32, 33, 34, 35 " campestris, L., 43. _Plates_ 36, 37, 38 Order PLATANACEAE. PLATANUS orientalis, L., 128. _Plates_ 134, 135, 136 " occidentalis, L., 129 Order JUGLANDACEAE. JUGLANS regia, L., 131. _Plates_ 137, 138, 139 Order CUPULIFERAE. BETULA alba, L., 25. _Plates_ 13, 14, 15, 16 " verrucosa, Ehrh., 28 " pubescens, Ehrh., 28 " nana, L., 28 ALNUS glutinosa, Medic., 29. _Plates_ 17, 18, 19, 20 CARPINUS betulus, L., 31. _Plates_ 21, 22, 23, 24 CORYLUS avellana, L., 34. _Plates_ 25, 26 QUERCUS robur, L., 13. _Plates_ 2, 3, 4, 5, 10 " ilex, L., 18. _Plate_ 6 " cerris, L., 19. _Plate_ 7 CASTANEA sativa, Mill., 135. _Plates_ 140, 141, 142, 143 FAGUS sylvatica, L., 20. _Plates_ 8, 9, 11, 12 Order SALICINEAE.