LIST OF ILLUSTRATIONS 



PAGE 



Bloom of double-flowering apple . . . .94 



A weeping willow in early spring . . . .100 



The weeping willow in a storm . . . . .103 



A pussy-willow in a park ...... 106 



Blooms of the white willow .... 1 08, 109 



A white willow in a characteristic position . . .112 



Clump of young white willows . . . .116 



White poplars in spring-time . . . . .119 



Carolina poplar as a street tree . . . . 123 



Winter aspect of the cottonwood . . . .126 



Lombardy poplar . . . . . . .129 



A mature American elm . . . . . .136 



The delicate tracery of the American elm in winter . 139 



The English elm in winter . . . . 143 



Winter effect of tulip trees . . . . .148 



A great liriodendron in bloom . . . . .150 



Flowers of the liriodendron . . . . .153 



The wide-spreading black walnut . . . .162 



The American sweet chestnut in winter . . .165 



Sweet chestnut blooms . . . . . .167 



The chinquapin . . . . . . . .170 



A shag-bark hickory in bloom . . . . 173 



The true nut-eater . . . . . . .178 



The American beech in winter . . . . .180 



The witch-hazel . . . . . . .181 



Sweet birch in spring. . . . . . .191 



Yellow birches . . . . . . . .192 



Flowers of the spice-bush . . . . . .194 



Leaves and berries of the American holly . . 195 



American holly tree at Trenton . . . . .196 



Floral bracts or involucres of the dogwood . . .199 



The red-bud in bloom . . . . . .201 



Blooms of the shad-bush ...... 206 



(*) 



