220 PLANTING THE ORNAMENTAL GROUNDS 



change the clumps from time to time, if they show 

 signs of failing. Figs. 180-182, from Long (Pop- 

 ular Gardening, i., 17, 18, from which journal, 

 now discontinued many pictures in this volume 

 are taken), suggest methods of making such bor- 

 ders. They are on a scale of ten feet to the inch. 

 The entire surface is tilled, and the irregular dia- 

 grams designate the sizes of the clumps. .The 

 diagrams containing no names are to be filled 

 with bulbs, annuals and tender plants. 



LIST OF ORNAMENTAL PLANTS WHICH ABE 

 HARDY IN CENTRAL' MICHIGAN 



The following list was made some years ago for 

 use in the author's classes in the Agricultural Col- 

 lege of Michigan. It is now revised, and is be- 

 lieved to contain the greater part of the desirable 

 trees and shrubs which are hardy in the northern- 

 most states, although it is not intended to be 

 complete. The notes were originally the result of 

 several years' observation upon the large collection 

 of plants growing upon the grounds of the Agri- 

 cultural College, at Lansing. The winters there 

 are severe, the thermometer occasionally register- 

 ing twenty degrees below zero, and sometimes even 

 a lower temperature. In the following list the 

 plants are arranged somewhat in the order of 

 merit, as they appeal to the author. The species 

 of each genus are intended to be strictly so ar- 

 ranged. The home-maker will know which of the 

 native trees of his region are valuable for planting 



