PLANTS FOR HEAVY FORMAL EFFECTS 



147 



Quercus laurifolia (South of Washington) 



Laurel Oak 

 Rhamnus cathartica 



Common Buckthorn 



Salix pentandra 



Laurel-leaved Willow 

 Ulmus campestris 



English Elm 



b. Not pleached {Open Allees). 

 1. Deciduous: 



Acer saccharinum pyramidale 



Pyramidal Silver Maple 

 Acer saccharum monumentale 



Columnar Sugar Maple 

 Betula alba fastigiata 



Pyramidal White Birch 

 Crataegus oxycantha 



May Thorn 

 Larix leptolepsis 



Japanese Larch 

 Populus nigra italica 



Lombardy Poplar 



Quercus robur fastigiata 



English Oak 

 Sorbus quercifolia 



Oak-leaved Mountain Ash 

 Taxodium distichum 



Bald Cypress 



Taxus baccata fastigiata 

 Irish Yew 



Ulmus foliacea wheatleyi 

 Wheatley's Cornish Elm 



Ulmus glabra fastigiata 

 Columnar Elm 



2. Evergreen: 



Abies brachyphylla 



Nikko Fir 

 Juniperus excelsa stricta 



Slender Greek Juniper 

 Juniperus virginiana schotti 



Schott's Red Cedar 

 Picea excelsa columnaris 



Columnar Norway Spruce 

 Picea excelsa pyramidalis 



Pyramidal Norway Spruce 



Picea omorika 



Servian Spruce 

 Thuja occidentalis lutea 



Oriental Arborvitae 

 Thuja occidentalis zvareana 



Siberian Arborvitae 

 Thuja orientalis (northern grown) 



Oriental Arborvitae 

 Thuja plicata 



Western Arborvitae 



