TREES AND SHRUBS FOR FLOWERING EFFECTS 157 



Group a and the late spring and summer-flowering sorts are shown in 

 Group h. 



a. Early-flowering sorts'. 



Azalea nudiflora 



Pinkster Flower 

 Azalea vaseyi 



Carolina Azalea 

 Cercis canadensis 



Red-bud 

 Cornus flortda rubra 



Red-flowering Dogwood 

 Kalmia angustifolia 



Sheep Laurel 

 Magnolia soulangeana 



Soulange's Magnolia 

 Prunus besseyi 



Western Sand Cherry 

 Prunus japonica (in variety) 



Flowering Almond 



Prunus persica vulgaris 



Common Peach 

 Prunus subhirtella (in variety) 



Japanese Flowering Cherry 

 Prunus tomentosa 



Japanese Plum 

 Pyrus angustifolia 



Narrow-leaved Crab 

 Pyrus coronaria 



Wild Crab 

 Pyrus floribunda 



Flowering Crab 

 Pyrus halliana parkmani 



Parkman's Crab 

 Rhodora canadensis 



Rhodora 



b. Late spring and summer-flowering sorts: 



Deutzia rosea 



Dwarf Pink Deutzia 

 Diervilla florida 



Rose-coloured Weigela 

 Kalmia latifolia 



Mountain Laurel 



Pyrus ioensis bechteli 



Bechtel's Crab 

 Roses (in variety) 



Roses 



Spiraea bumalda anthony waterer 

 Crimson Spirea 

 Spiraea tomentosa 

 Hardback 



F. Producing Yellow Flowers. Until the trees and shrubs pro- 

 ducing yellow flowers are grouped the reader can hardly appreciate 

 how great is the wealth of this material. The group is divided, as are 

 the preceding groups in the chapter, into the early-flowering types 

 and the late-flowering types. 



a. Early-flowering sorts : 



Benzoin aestivale 



Spice Bush 

 Berberis (in variety) 



Barberry 

 Cornus mas 



Cornelian Cherry 

 Corylopsis pauciflora 



Japanese Flowering Hazel 



Cytisus scoparius 



Scotch Broom 

 Elaeagnus angustifolia 



Russian Olive 

 Elaeagnus longipes 



Japanese Oleaster 

 Forsythia (in variety) 



Golden Bell 



