. _Dwarf birch_ 68
populifolia, Marsh. _Gray, Poplar, Oldfield, Poverty, Small
white birch_ 66-68
Carpinus Caroliniana, Walt. _Hornbeam, Blue beech, Ironwood,
Water beech_ 59, 60
Ostrya Virginica, Willd. _Hop hornbeam, Ironwood, Leverwood_ 57, 58

Birch family. (=Betulaceae=) 57-70

Birch. Black, Cherry, Sweet birch. (Betula lenta, L.) 61, 62
Canoe, White, Paper birch. (Betula papyrifera, Marsh.) 68-70
Red, River birch (Betula nigra, L.) 65, 66
White, Gray, Oldfield, Poplar, Poverty, Small white birch
(Betula populifolia, Marsh.) 66-68
Yellow, Gray birch. (Betula lutea, Michx. f.) 63, 64

Bird cherry (Prunus Pennsylvanica, L. f.) 124, 125

Bitternut (Carya amara, Nutt.) 55-57

Black ash (Fraxinus nigra, Marsh.) 167, 168
birch (Betula lenta, L.) 61, 62
cherry (Prunus serotina, Ehrh.) 127, 128
maple (Acer Saccharum, Marsh., _var_. nigrum, Britton) 146, 147, 172
oak (Quercus velutina, Lam.) 89-91
spruce (Picea nigra, Link) 12-14
walnut (Juglans nigra, L.) 48, 49
willow (Salix nigra, Marsh.) 42, 43

Blue beech (Carpinus Caroliniana, Walt.) 59, 60

Box elder (Acer negundo, L.) 151-153
white oak (Quercus stellata, Wang.) 77, 78

Boxwood (Cornus florida, L.) 156, 157

Braintree, Mass. Fine specimen of _Ilex opaca_ on farm of
Col. Minot Thayer 139

Brittle willow (Salix fragilis, L.) 43-45

Brown ash (Fraxinus nigra, Marsh.) 167, 168
(Fraxinus Pennsylvanica, Marsh.) 164, 165

Bur oak (Quercus macrocarpa, Michx.) 79, 80

Butternut (Juglans cinerea, L.) 46, 47

Buttonball (Platanus occidentalis, L.) 110, 111

Buttonwood (Platanus occidentalis, L.) 110, 111

C

Canada plum (Primus nigra. Ait.), 122, 123

Canoe birch (Betula papyrifera, Marsh.), 68-70

=Caprifoliaceae.= (Honeysuckle family) 168, 169

Viburnum Lentas L. _Sheep berry sweet viburnum. Nanny plum_ 168, 169

Carpinus Caroliniana, Walt. _Hornbeam. Blue beech. Ironwood.
Water beech_ 59,60

Carya alba, Nutt. _Shagbark, Shellbark hickory, Walnut_ 49-51
amara, Nutt. _Bitter nut. Swamp hickory_ 55-57
porcina, Nutt. _Pignut. White hickory_ 53-55
tomentosa, Nutt. _Mockernut. White-heart hickory. Walnut_ 51-53

Castanea dentata. Borkh. _Chestnut_ 72-74
sativa, _var._ Americana, Watson & Coulter. _Chestnut_ 72-74