CONTENTS xiii 



TIR PACB 



D Trees and shrubs for allees . . . . . . 146 



a. Pleached . . . 146 



b. Not pleached (open allees) ...... 147 



1. Deciduous 147 



2. Evergreen 147 



XVII. Plants for Natural, Informal Effects 148 



XVIII. Low-Growing Plants Along the Inner Side of Curving 



Roadways and at Entrances . . .... . . 150 



A Evergreen . . . . . . , . . ... . . 151 



B Deciduous < . . . . > . . . . . . 151 



XIX. Trees and Shrubs for Different Flowering Effects . . . 152 

 A Producing flowers in early spring before leaves 



appear . . 154 



B Producing flowers in early spring after leaves 



appear. 154 



C Producing flowers during early summer . . . 155 

 D Producing flowers during late summer and early 



afctumn : ... '.. 156 



E Producing flowers in shades of red and pink . . 156 



a. Early-flowering sorts 157 



b. Late spring and summer-flowering sorts . . . 157 

 F Producing yellow flowers 157 



a. Early-flowering sorts . . 157 



b. Late spring and summer-flowering sorts . . . 158 

 G Producing white flowers v . . , . ' ... . . 158 



a. Early-flowering sorts . . ..... . 158 



b. Late spring and summer-flowering sorts . . . 158 



H Producing blue flowers 159 



I Continuous bloom from twelve shrubs . . . . 159 



XX. Plants Valuable for the Characteristics of Their Fruit . . 160 

 A Producing fruit of peculiarly interesting form or 



size 161 



B Producing fruit valuable for its colour effects. . 162 



C Producing fruit valuable during the winter months 163 



D Producing fruit valuable for attracting birds . . 164 



a. Fruiting in summer 165 



b. Holding fruit into the winter months . . . 166 



c. Birds attracted by fruits . . ... . . 166 



E Producing fruit which attracts birds away from 



other fruits 167 



F Producing fruit which often makes the plant unde- 

 sirable in landscape planting 167 



