II. 



THE FAMILIES OF ROSES IN GENERAL CULTI- 

 VATION. 



PART I. SUMMER ROSES. Those 

 which bloom but once during the season, 

 in the months of June and July. 



CLASS i. CLIMBING OR SARMENTOUS ROSES. 



The Ayrshire Rose (Rosa Arvensis Hybri- 

 da). These roses, of English origin, are of 

 slender, rapid growth, having five leaflets, 

 often running fifteen or twenty feet in one 

 season, and are of use in covering buildings, 

 unsightly objects, etc. They are somewhat 

 less hardy and less valuable than the hybrid 

 climbers and prairie roses. They do not re- 

 quire rich soil, and should be pruned very 

 little, or not at all. Bennett's Seedling, 

 Queen of Ayrshires, Queen of Belgians, and 

 Ruga, are the leading sorts. 



The Banksia Rose (Rosa Banksia) is a na- 

 tive of China, named in honor of Lady Banks 

 by the botanist Robert Brown. It was 

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