By special permission of the Division of Publications, U. S. Department of Agriculture
Note.—Only the trees that have been specially described or compared are included in the index
| COMMON NAME | SCIENTIFIC NAME | PAGE |
| BROADLEAF TREES | ||
| Basswood | Tilia americana Linn. | 113 |
| Syn. American Linden | ||
| Syn. Limetree | ||
| Syn. Whitewood | ||
| Syn. Beetree | ||
| Beech | Fagus atropunicea (Marsh.) Sudworth | 16 |
| Syn. Red Beech | Syn. Fagus ferruginea Ait. | |
| Syn. White Beech | ||
| Big Laurel | Magnolia fœtida (Linn.) Sargent | 24 |
| Syn. Magnolia | Syn. Magnolia grandiflora Linn. | |
| Syn. Bull Bay | ||
| Black Cherry | Prunus serotina Ehrh. | 113 |
| Syn. Wild Black Cherry | ||
| Syn. Wild Cherry | ||
| Syn. Rum Cherry | ||
| California Black Oak | Quercus californica (Torr.) Coop. | 78 |
| Syn. Black Oak | ||
| Canyon Live Oak | Quercus chrysolepis Liebm. | 78 |
| Syn. Live Oak | ||
| Chestnut | Castanea dentata (Marsh.) Borkh. | 11 |
| Syn. Castanea vesca β americana Michx. | ||
| Syn. Castanea vulgaris ν americana A. de C. | ||
| Flowering Dogwood | Cornus florida Linn. | 16, 22, 73 |
| Syn. Dogwood | ||
| Syn. Boxwood | ||
| Honey Locust | Gleditsia triacanthos Linn. | 17, 113 |
| Syn. Black Locust | ||
| Syn. Sweet Locust | ||
| Syn. Thorn Locust | ||
| Syn. Three-thorned Acacia | ||
| Hornbeam | Carpinus caroliniana Walt. | 16 |
| Syn. Blue Beech | ||
| Syn. Water Beech | ||
| Syn. Iron wood | ||
| Live Oak | Quercus virginiana Mill. | 6, 110 |
| Syn. Quercus virens Ait. | ||
| Locust | Robinia pseudacacia Linn. | 113 |
| Syn. Black Locust | ||
| Syn. Yellow Locust | ||
| Mountain Ash | Pyrus americana (Marsh.) de C. | 113 |
| Redbud | Cercis canadensis Linn. | 73, 75 |
| Syn. Judas Tree | ||
| Red Maple | Acer rubrum Linn. | 12, 15, 112 |
| Syn. Swamp Maple | ||
| Syn. Soft Maple | ||
| Syn. Water Maple | ||
| Red Oak | Quercus rubra Linn. | 16 |
| Syn. Black Oak | ||
| Sassafras | Sassafras sassafras (Linn.) Karst. | 18, 112 |
| Syn. Sassafras officinale Nees & Eberm. | ||
| Scarlet Oak | Quercus coccinea Muenchh. | 16 |
| Syn. Red Oak | ||
| Syn. Black Oak | ||
| Serviceberry | Amelanchier canadensis (Linn.) | 75, 112 |
| Syn. Juneberry | Medic. | |
| Syn. Shad Bush | ||
| Sugar Maple | Acer saccharum Marsh. | 12, 15 |
| Syn. Hard Maple | Syn. Acer saccharinum Wang. | |
| Syn. Rock Maple | ||
| Syn. Sugar Tree | ||
| Sweet Gum | Liquidambar styraciflua Linn. | 16, 111 |
| Syn. Red Gum | ||
| Syn. Liquidamber | ||
| Sweet Magnolia | Magnolia glauca Linn. | 73 |
| Syn. Sweet Bay | ||
| Syn. White Bay | ||
| Syn. Swamp Laurel | ||
| Syn. Swamp Magnolia | ||
| Tulip Tree | Liriodendron tulipifera Linn. | 16, 24 |
| Syn. Whitewood | ||
| Syn. Sour Gum | ||
| Syn. Pepperidge | ||
| Tupelo | Nyssa sylvatica Marsh. | 16 |
| Syn. Black Gum | Syn. Nyssa multiflora Wang. | |
| Syn. Sour Gum | ||
| Syn. Pepperidge | ||
| White Birch | Betula populifolia Marsh. | 19 |
| Syn. Gray Birch | ||
| White Elm | Ulmus americana Linn. | 21 |
| Syn. American Elm | ||
| Syn. Water Elm | ||
| Syn. Elm | ||
| White Oak | Quercus alba Linn. | 5 |
| Yellow Birch | Betula lutea Michx. f. | 20 |
| Syn. Gray Birch | ||
| CONIFERS | ||
| Arborvitæ | Thuja occidentalis Linn. | 57 |
| Syn. White Cedar | ||
| Syn. Cedar | ||
| Bald Cypress | Taxodium distichum (Linn.) Rich. | 40, 111 |
| Syn. White Cypress | ||
| Syn. Black Cypress | ||
| Syn. Red Cypress | ||
| Syn. Cypress | ||
| Big Tree | Sequoia washingtoniana (Winsl.) Sudworth | 54 |
| Syn. Sequoia | Syn. Sequoia gigantea Decaisne. | |
| Black Hemlock | Tsuga mertensiana (Bong.) Carr. | 45 |
| Syn. Tsuga pattoniana (Jeffr.) Engelm. | ||
| Blue Spruce | Picea parryana (André) Parry | 127 |
| Syn. Picea pungens Engelm. | ||
| Bull Pine | Pinus ponderosa Laws. | 39 |
| Syn. Yellow Pine | ||
| Cuban Pine | Pinus heterophylla (Ell.) Sudworth | 37 |
| Syn. Slash Pine | Syn. Pinus cubensis Grieseb. | |
| Syn. Swamp Pine | ||
| Douglas Spruce | Pseudotsuga taxifolia (Lam.) Britton | 48 |
| Syn. Red Fir | Syn. Pseudotsuga douglasii Carr. | |
| Syn. Douglas Fir | ||
| Syn. Yellow Fir | ||
| Syn. Oregon Pine | ||
| Engelmann Spruce | Picea engelmanni Engelm. | 53 |
| Syn. White Spruce | ||
| Hemlock | Tsuga canadensis (Linn.) Carr. | 43 |
| Syn. Spruce | ||
| Syn. Spruce Pine | ||
| Loblolly Pine | Pinus tæda Linn. | 37 |
| Syn. Oldfield Pine | ||
| Syn. Shortleaf Pine | ||
| Lodgepole Pine | Pinus murrayana “Oreg. Com.” | 38 |
| Syn. Tamarack | ||
| Syn. Spruce Pine | ||
| Longleaf Pine | Pinus palustris Mill. | 37 |
| Syn. Longleaved Pine | ||
| Syn. Georgia Pine | ||
| Syn. Yellow Pine | ||
| Syn. Longstraw Pine | ||
| Lowland Fir | Abies grandis Lindl. | 50, 52 |
| Syn. White Fir | ||
| Pitch Pine | Pinus rigida Mill. | 38 |
| Red Fir.—See Douglas Spruce. | ||
| Red Juniper | Juniperus virginiana Linn. | 45 |
| Syn. Red Cedar | ||
| Syn. Cedar | ||
| Syn. Savin | ||
| Redwood | Sequoia sempervirens (Lamb.) Endl. | 54 |
| Syn. Sequoia | ||
| Silver Pine | Pinus monticola Dougl. | 35 |
| Syn. White Pine | ||
| Sugar Pine | Pinus lambertiana Dougl. | 35 |
| Western Hemlock | Tsuga heterophylla (Raf.) Sargent | 45 |
| Syn. Hemlock | Syn. Tsuga mertensiana of authors.(Not Carr.) | |
| White Cedar | Chamæcyparis thyoides (L.) B. S. P. | 57 |
| Syn. Juniper | Syn. Chamæcyparis sphæroidea Spach. | |
| White Pine | Pinus strobus Linn. | 31, 127 |