* White Pine, _Pinus Strobus_. * Austrian Pine, _Pinus Austriaca_. * Scotch Pine, _Pinus sylvestris_. * Pitch Pine, _Pinus rigida_. ** Red Pine, _Pinus resinosa_. * Umbrella Pine, _Sciadopitys verticillata_. * White Fir, _Abies concolor_. ** Fraser’s Fir, _Abies Fraseri_. * Nordman’s Fir, _Abies Nordmanniana_. * Norway Spruce, _Picea excelsa_. ** White Spruce, _Picea alba_. ** Red Spruce, _Picea rubens_. * Koster’s Blue Spruce, _Picea pungens glauca_. * Engelmann’s Spruce, _Picea Engelmannii_. * Juniper. Different species of the genus _Juniperus_, mostly low growing and suitable for ground covers. * Japanese Cypress, _Retinospora obtusa_. There are many garden varieties. * Southern Cypress, _Taxodium distichum_. Not hardy in the northern part of the area. Best in wet places. * Lawson’s Cypress, _Chamæcyparis Lawsoniana_. * English Yew, _Taxus baccata_. ** American Yew, _Taxus canadensis_. * Hemlock, _Tsuga canadensis_. Of these the Austrian pine, hemlock, and the firs have the densest foliage and should be used for such effects. Almost nothing will grow under the evergreen trees, so close is their foliage. Lack of light and the acid leached out of their bark by rains, stop the growth of nearly all herbs underneath them. DECIDUOUS TREES Planted mostly for their foliage masses, but a few bear showy flowers and such will be noted. The same symbols apply. * American Beech, _Fagus ferruginea_. * European Beech, _Fagus sylvatica_. * White Oak, _Quercus alba_. * Red Oak, _Quercus rubra_, the most rapid grower of all the oaks. * Scarlet Oak, _Quercus coccinea_. Horsechestnut, _Aesculus Hippocastanum_. * Norway Maple, _Acer platanoides_. * Red Maple, _Acer rubrum_. Prefers moist places. Sugar Maple, _Acer saccharum_. * Silver Maple, _Acer saccharinum_. Fine tree with interesting branching, but brittle. * Tulip Tree, _Liriodendron tulipifera_. Showy orange-green flowers. * American Plane Tree, _Platanus occidentalis_. A native tree, but not so satisfactory as * Oriental Plane Tree, _Platanus orientalis_. * Sweet Gum, _Liquidambar styraciflua_. White-leaved Poplar, _Populus alba_. Balsam Poplar, _Populus balsamifera_. * Flowering Plum, _Prunus Pissardi_ and many other varieties and species of the genus _Prunus_ such as Japanese Flowering Cherries and Plums. * American Elm, _Ulmus americana_. * English Elm, _Ulmus campestris_. * Maidenhair Tree, _Ginkgo biloba_. Not hardy in the northern part of the area. Black Locust, _Robinia Pseudacacia_. Showy pink flowers. European White Birch, _Betula alba_. Black Alder, _Alnus glutinosa_. Ash, _Fraxinus americana_. * Dogwood, _Cornus florida_. Showy white bloom. Tree will not grow well unless in partial shade. * Cornelian Cherry, _Cornus Mas_.