CHAPTER IV 



PLANTING MATERIALS 



THERE is a remarkable variety of planting ma- 

 terial. Even to give a list of the various plants would 

 take more room than this volume can spare. Such 

 a list would include trees, shrubs, vines, herbaceous 

 flowering plants, ferns, mosses, lichens, and fungi. 

 With the gradual development of the art of landscape- 

 gardening, the number of available plants has largely 

 increased. This increase is due not alone to the dis- 

 covery of species before unknown or to the develop- 

 ment of new forms and colors through hybridization 

 and other means, but to the fact that new beauty 

 is discovered in well-known plants. Thus sumacs, 

 elderberries, hazel bushes, goldenrods and asters, 

 once considered so common as to command little 

 more respect than weeds, are found to be really 

 valuable in landscape-making. The introductions 

 from little-explored countries, as from China, have 



also added to our stock of desirable plants, 



46 



