Part 2

GLOSSARY 173

INDEX 179

KEY TO THE TREES OF NEW ENGLAND.

I. LEAVES SIMPLE.

=Leaves alternate= A Outline entire A C Outline slightly indented A D Outline lobed A E Lobes entire A E F Lobes slightly indented A E G Lobes coarsely toothed A E H =Leaves opposite= B

A C Ovate to oval, obscurely toothed Tupelo A C Ovate to oval Persimmon A C Also 3-lobed Sassafras A C Sometimes opposite, clustered at the ends of the branchlets Dogwoods A D Tremulous habit, oval Poplars A D Lanceolate, finely serrate, sometimes entire Willows A D Ovate-oval, serrate, doubly serrate { Birches { Hornbeams A D Oval, serrate, oblong-lanceolate, veins { Beeches terminating in teeth { Chestnut A D Ovate-oblong, doubly serrate, surface rough Elms A D Ovate to ovate-lanceolate, serrate, surface slightly rough Hackberry A D Outline variable, ovate-oval, sometimes lobed (3-7), serrate-dentate Mulberry A D Ovate, serrate, oblong { Shadbush { Plums { Cherries A D Oval or oval-oblong, spines, evergreen Holly A D Broad-ovate, one-sided, serrate Linden A D Obovate, oval, lanceolate, oblong Chestnut oaks A D Broad-ovate to broad-elliptical, thorny Thorns A E F Lobes rounded Sassafras A E F Base truncate or heart-shaped Tulip tree A E F Obtuse, rounded lobes White oaks A E F 3-5-lobed, white-tomentose to glabrous beneath White poplar A E G 5-lobed, finely serrate Sweet gum A E G Irregularly 3-7-lobed, serrate-dentate with equal teeth Mulberry A E H Pointed or bristle-tipped lobes Black oaks A E H Coarse-toothed or pinnate-lobed, short lobes ending in sharp point Sycamore B Outline entire, ovate, veins prominent Flowering dogwood B Outline serrate, apex often tapering Sheep berry B Outline lobed Maples

II. LEAVES COMPOUND.

=Leaves pinnately compound= I Leaflets alternate I A Outlines of leaflets entire I A C Leaflets opposite I B =Leaves bi-pinnately compound= J

I A Outlines of leaflets with two or three teeth at base. Ailanthus IA Outlines of leaflets serrate { Sumacs (except Poison sumac) { Mountain ashes { Walnuts { Hickories I A C Leaflets oval, apex obtuse Locusts (except Honey locust) I A C Leaflets oblong, apex acute Poison sumac I B Outlines of leaflets entire Ashes (except Mountain ashes) I B Outlines of leaflets serrate Ashes (except Mountain ashes) I B Leaflets irregularly or coarsely toothed, 3-lobed or nearly entire Box elder J Irregularly bi-pinnate, outlines of leaflets entire, thorns on stem and trunk Honey locust

LIST OF PLATES.

PLATE PAGE

I. Larix Americana 4 II. Pinus Strobus 6 III. Pinus rigida 7 IV. Pinus Banksiana 9 V. Pinus resinosa 11 VI. Picea nigra 14 VII. Picea rubra 16 VIII. Picea alba 18 IX. Tsuga Canadensis 20 X. Abies balsamea 22 XI. Thuja occidentalis 24 XII. Cupressus thyoides 26 XIII. Juniperus Virginiana 28 XIV. Populus tremuloides 30 XV. Populus grandidentata 32 XVI. Populus heterophylla 34 XVII. Populus deltoides 35 XVIII. Populus balsamifera 37 XIX. Populus candicans 39 XX. Salix discolor 41 XXI. Salix nigra 43 XXII. Juglans cinerea 47 XXIII. Juglans nigra 49 XXIV. Carya alba 51 XXV. Carya tomentosa 53 XXVI. Carya porcina 55 XXVII. Carya amara 57 XXVIII. Ostrya Virginica 58 XXIX. Carpinus Caroliniana 60 XXX. Betula lenta 62 XXXI. Betula lutea 64 XXXII. Betula nigra 66 XXXIII. Betula populifolia 68 XXXIV. Betula papyrifera 70 XXXV. Fagus ferruginea 72 XXXVI. Castanea sativa, var. Americana 74 XXXVII. Quercus alba 77 XXXVIII. Quercus stellata 78 XXXIX. Quercus macrocarpa 80 XL. Quercus bicolor 82 XLI. Quercus Prinus 84 XLII. Quercus Muhlenbergii 85 XLIII. Quercus rubra 87 XLIV. Quercus coccinea 89 XLV. Quercus velutina 91 XLVI. Quercus palustris 93 XLVII. Quercus ilicifolia 94 XLVIII. Ulmus Americana 97 XLIX. Ulmus fulva 98 L. Ulmus racemosa 100 LI. Celtis occidentalis 102 LII. Morus rubra 103 LIII. Liriodendron Tulipifera 103 LIV. Sassafras officinale 108 LV. Liquidambar Styraciflua 109 LVI. Platanus occidentalis 111 LVII. Pyrus Americana 113 LVIII. Pyrus sambucifolia 115 LIX. Amelanchier Canadensis 117 LX. Crataegus mollis 121 LXI. Prunus nigra 123 LXII. Prunus Americana 124 LXIII. Prunus Pennsylvanica 125 LXIV. Prunus Virginiana 126 LXV. Prunus serotina 128 LXVI. Gleditsia triacanthos 130 LXVII. Robinia Pseudacacia 132 LXVIII. Rhus typhina 135 LXIX. Rhus Vernix 137 LXX. Ilex opaca 140 LXXI. Acer rubrum 142 LXXII. Acer saccharinum 144 LXXIII. Acer Saccharum 146 LXXIV. Acer Saccharum var. nigrum 147 LXXV. Acer spicatum 149 LXXVI. Acer Pennsylvanicum 151 LXXVII. Acer Negundo 153 LXXVIII. Tilia Americana 155 LXXIX. Cornus florida 157 LXXX. Cornus alternifolia 158 LXXXI. Nyssa sylvatica 160 LXXXII. Diospyros Virginiana 162 LXXXIII. Fraxinus Americana 164 LXXXIV. Fraxinus Pennsylvanica 165 LXXXV. Fraxinus Pennsylvanica. var. lanceolata 166 LXXXVI. Fraxinus nigra 168 LXXXVII. Viburnum Lentago 169

BOTANICAL AUTHORITIES.

PAGE ATKINS, C. G. Pinus Banksiana, Lamb 8

AVERILL, C. K. v

Populus balsamifera, L. (Rhodora, II, 35) 36

Prunus Americana, Marsh. 123

Quercus Muhlenbergii, Engelm. 84

BAILEY, L. H. Populus candicans, Ait. 37

BAILEY, W. W. Celtis occidentalis, L. 100

Fraxinus Pennsylvanica, var. lanceolata, Sarg. 166

BARTRAM, WILLIAM Quercus tinctoria (1791) 89

BATCHELDER, F. W. Betula nigra, L. 65

Salix discolor, Muhl. (Laconia, N. H.) 41

BATES, J. A. Pinus Banksiana, Lamb 8

Sassafras officinale, Nees 106

BISHOP, J. N. v

Celtis occidentalis, L. 100