TREES AND SHRUBS FOR FLOWERING EFFECTS 157 



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

 Group b. 



a. Early-flowering sorts'. 



Azalea nudifiora Prunus persica vulgaris 



Pinkster Flower Common Peach 



Azalea vaseyi Prunus subhirtella (in variety) 



Carolina Azalea Japanese Flowering Cherry 



Cercis canadensis Prunus tomentosa 



Red-bud Japanese Plum 



Cornus ftorida rubra Pyrus angustifolia 



Red-flowering Dogwood Narrow-leaved Crab 



Kalmia angustifolia Pyrus coronaria 



Sheep Laurel Wild Crab 



Magnolia soulangeana Pyrus fioribunda 



Soulange's Magnolia Flowering Crab 



Prunus besseyi Pyrus halliana parkmani 



Western Sand Cherry Parkman's Crab 



Prunus japonica (in variety) Rhodora canadensis 



Flowering Almond Rhodora 



"S"*' ' 



b. Late spring and summer-flowering sorts'. 



Deutzia rosea Pyrus ioensis bechteli 



Dwarf Pink Deutzia Bechtel's Crab 



Diervilla florida Roses (in variety) 



Rose-coloured Weigela Roses 



Kalmia latifolia Spiraea bumalda anthony waterer 



Mountain Laurel Crimson Spirea 



Spiraea tomentosa 

 Hardhack 



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 Cytisus scoparius 



Spice Bush . Scotch Broom 



Berberis (in variety) Elaeagnus angustifolia 



Barberry Russian Olive 



Cornus mas Elaeagnus longipes 



Cornelian Cherry Japanese Oleaster 



Corylopsis pauciflora Forsythia (in variety) 



Japanese Flowering Hazel Golden Bell 



