92 THE EOSE. 



new sorts, and also is advantageous as an aid in 

 producing more vigorous plants of such varieties 

 as Niphetos, than can possibly be obtained from 

 cuttings. 



Pkopagation by Layering was once practised 

 to considerable extent, but it is a slow method, 

 and is now but little used. Good plants can be 

 obtained in this way of Persian Yellow and some 

 other varieties which do not strike from cuttings, 

 and it is the only method by which certain kinds 

 can be produced on their own roots. 



Besides the methods spoken of, roses are also 

 produced from seed, but this is only done where 

 it is purposed to secure stocks, as seedling Briers, 

 or where it is the aim to obtain new varieties. 



