| Silver maple flowers | 4 |
| Young leaves of the red maple | 7 |
| "The Norway maple breaks into a wonderful bloom" | 9 |
| Samaras of the sugar maple | 11 |
| A mature sycamore maple | 13 |
| Sycamore maple blossoms | 15 |
| Flowers of the ash-leaved maple | 17 |
| Ash-leaved maples in bloom | 19 |
| Striped maple | 21 |
| The swamp white oak in winter | 29 |
| Flowers of the pin-oak | 31 |
| The swamp white oak in early spring | 36 |
| An old post-oak | 39 |
| A blooming twig of the swamp white oak | 41 |
| Acorns of the English oak | 47 |
| A lone pine on the Indian river | 53 |
| Hemlock Hill, Arnold Arboretum | 56 |
| The long-leaved pines of the South | 61 |
| Fountain-like effect of the young long-leaved pines | 62 |
| An avenue of white pines | 67 |
| Cones of the white spruce | 71 |
| An apple orchard in winter | 78 |
| When the apple trees blossom | 81 |
| The Spectabilis crab in bloom | 84 |
| Fruits of the wild crab | 87 |
| The beauty of a fruiting apple branch | 91 |
| 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 | 108 |
| 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 |
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