ENGLISH ELM (_Ulmus campestris_) 48 WYCH ELM (_Ulmus montana_) 50 THE GREAT ELM AT MAGDALEN COLLEGE, OXFORD 54 SYCAMORE (_Acer pseudo-platanus_) IN SUMMER 56 SYCAMORE IN WINTER 58 FRUIT OF SYCAMORE (_Acer pseudo-platanus_) 60 HORSE CHESTNUT (_Æsculus hippocastanum_) IN BLOOM 68 HORSE CHESTNUT FLOWER SPIKE 68 ASPEN TREE (_Populus tremula_) 74 WHITE POPLAR (_Populus alba_) IN JULY 78 WHITE POPLAR IN DECEMBER 78 LOMBARDY POPLAR IN SUMMER 80 LOMBARDY POPLAR IN WINTER 80 BIRCH (_Betula alba verrucosa_) IN JUNE 84 BIRCH IN DECEMBER 84 WILLOW BY THE STREAM 88 FRUIT OF HORNBEAM (_Carpinus betulus_) 96 TULIP TREE 104 AT WADHAM COLLEGE, OXFORD TULIP TREE (_Liriodendron tulipifera_) 104 AT ALBURY PARK MAY BLOSSOM (_Cratægus oxyacantha_) 108 FRUIT OF HAWTHORN (_Cratægus oxyacantha_) 108 FLOWERS OF THE ROWAN (_Pyrus aucuparia_) 118 GEAN (_Prunus avium_) IN BLOOM 128 BLACK WALNUT (_Juglans nigra_ var. _alburyensis_) 136 AT ALBURY PARK PAGODA TREE (_Sophora japonica_) 144 IN THE BOTANIC GARDEN, OXFORD FLOWER OF LABURNUM 146 ROBINIA PSEUDACACIA AT WINCHESTER 148 FLOWER OF ROBINIA PSEUDACACIA 150 ELDER (_Sambucus nigra_) IN JUNE 154 ELDER IN DECEMBER 154 AILANTHUS GLANDULOSA 158 AT WADHAM COLLEGE, OXFORD SCOTS PINE WOOD 162 FLOWER AND FRUIT OF SCOTS PINE 166 SILVER FIRS (_Abies pectinata_) 176 DOUGLAS FIRS (_Pseudotsuga douglasii_) 184 PLANTED AT TAYMOUNT IN 1860 CONES OF NORWAY SPRUCE (_Picea excelsa_) 186 LARCH IN SPRING 196 LARCH FLOWERS (_Male and Female_) AND CONES 196