LIST OF ILLUSTRATIONS 



The American Laurel (Kalmia latifolia) is one of the most 

 meritorious of all flowering shrubs .... Frontispiece 



FACING PAGE 



The Sargent Rose, shell pink, raised at the Arnold Arboretum 

 by Jackson Dawson 3 



Lilium Sargentiae has pure white flowers 19 



Among the later flowering trees the native American Gordonia 

 altamaha is one of great interest 36 



Clematis montana, var. rubens is an attractive vine with 

 rose colored flowers 55 



The Snowberry (Symphoricarpos racemosus) is deservedly 

 popular 78 



The barks of many trees have highly decorative values . . i o i 



As a lawn tree and for ornamental planting generally the con- 

 color Fir is the most beautiful of conifers 113 



The flowers of Yucca flaccida make this a valuable evergreen 

 for most gardens 138 



As a practical substitute for Ivy the broad-leaved, climbing 

 Evonymus (E. radicans, var. vegetus) is an excellent ever- 

 green vine 138 



The Chinese Pistach Tree thrives in dry regions . . . . 153 



The Magnolias are among the most notable spring flowering 

 trees and shrubs 175 



Why are Crabapples so little grown? They are hardy, most 

 floriferous, and grow on almost any soil 195 



The common Lilac is known in a great number of varieties . 213 



Senecio clivorum has Aster-like flowers three to five inches in 

 diameter 230 



Primula pulverulenta has flower scapes fully a yard tall . . 230 



Rhododendron caucasicum is hardy and produces in profu- 

 sion its flowers of rose-red, white within 244 



Davidia involucrata, appropriately called the Dove Tree, is 

 indeed remarkable 275 



vii 



