OREGON AND WASHINGTON COASTAL PLAIN 337 



Philadelphus lemoinei 

 Lemoine's Mock Orange 



Pieris floribunda 



Mountain Fetterbush 



Prunus triloba 

 Flowering Plum 



Spiraea vanhouttei 



Van Houtte's Bridal Wreath 

 Syringa vulgaris hybrida 



Hybrid Lilac 

 Viburnum carlesi 



Korean Viburnum 



b. Native and collected plants: 



Acer circinatum 



Vine Maple 

 Calycanthus floridus 



Strawberry Shrub 

 Clethra alnifolia 



Sweet Pepper Bush 

 Cornus nuttalli 



Oregon Dogwood 

 Cornus stolonifera 



Red Osier Cornel 

 Elaeagnus angustifolia 



Russian Olive 

 Holodiscus discolor ariaefolius 



Ocean Spray 



Philadelphus lewisi 



Native Mock Orange 

 Rhus glabra 



Smooth Sumac 

 Rosa blanda 



Meadow Rose 

 Rosa lucida 



Glossy Rose 

 Symphoricarpos racemosus 



Snowberry 

 Symphoricarpos vulgaris 



Indian Currant 

 Viburnum americanum 



American High-bush Cranberry 



D. STREET AND AVENUE PLANTING. This group with the excep- 

 tion of the Oregon maple and the thornless locust is practically identi- 

 cal with a similar group for any portion of the northern and eastern 

 states. 



Acer macrophyllum 



Oregon Maple 

 Acer platanoides 



Norway Maple 

 Acer pseudoplatanus 



Sycamore Maple 

 Aesculus hippocastanum rubicunda 



Red Flowering Horse-chestnut 

 Fraxinus americana 



White Ash 



Platanus orientalis 



Oriental Plane 

 Quercus coccinea 



Scarlet Oak 

 Robinia pseudacacia bessoniana 



Thornless Locust 

 Tilia euchlora 



Crimean Linden 

 Ulmus americana 



American Elm 



E. PLANTS FOR HEAVILY SHADED LOCATIONS. This group con- 

 tains only plants native to this portion of the country and some of the 

 better known plants given in previous lists. 



Abies balsamea 



Balsam Fir 

 Calycanthus floridus 



Strawberry Shrub 



Chaenomeles jafonica 

 Japanese Quince 



Gaultheria shallon 

 Sahl 



