392 THE PRINCIPLES OF FLORICULTURE 



Forsythia viridissima Golden Bell 



Kalmia latifolia Mountain Laurel 



Lonicera tatarica Tartarian Honeysuckle 



Lythrum Salicaria Purple Loose-Strife 



Magnolia stellata Hall's Magnolia 



Philadelphus coronarius Mock Orange ; Syringa 



Prunus japonica Flowering Almond 



Prunus Persica var. rosea-pleno . . Double Flowering Almond 



Prunus tomentosa Japanese Cherry 



Pyrus floribunda Flowering Crab Apple 



Pyrus Halliana Hall's Flowering Crab Apple 



Rhododendron catawbiense . Various Hybrid Rhododendrons 

 Roses : 



Crimson Rambler 

 Lady Gay 

 Dorothy Perkins 

 Tausendschon 

 Hiawatha 

 Newport Fairy 

 Pink Rambler 

 Philadelphia Rambler 



Paul Neyron pink 



, Frau Karl Druschki . . . . . . white 



Magna Charta pink 



General Jacqueminot red 



Spiraea Thunbergii Thunberg's Spirea 



Spiraea prunifolia Plum-leaved Spirea 



Spiraea Van Houttei Van Houtte's Spirea 



Syringa vulgaris hybrids : 



Alphonse Lavalle light blue ; double 



Charles X deep red ; single 



Frau Bertha Dammann white ; single 



Louis van Houtte rose pink ; single 



Philemon deep purple ; single 



Wistaria chinensis Chinese Wistaria 



Japanese Maples, Acer palmatum, ,are often forced for their 

 attractive foliage characters. 



646. Preparation of shrubs for forcing (Fig. 46) . Plants 

 which are to be forced require special preparatory treatment. 

 They should have naturally a compact top and root system. 

 Plants prepared for forcing may be obtained from French, 



