HARDY PERENNIALS 



173 



expensive. Their period of bloom may be lengthened by 

 cutting off the terminal buds of some of the stalks early in the 

 season. This will cause numerous side branches to be 

 thrown up, and these 

 will bear a profusion of 

 blossoms throughout the 

 later weeks of summer. 

 The slips removed in top- 

 ping the plants should 

 be rooted in sand, then 

 established as new plants. 



The irises are exceed- 

 ingly attractive as border 

 plants. The splendid 

 Japanese Iris is perhaps 

 the most decorative of all 

 our cultivated flowers, 

 while the German Iris 

 bears blossoms of exceed- 

 ing beauty. The Siberian 

 Iris is very effective when 

 out-doors or in the house, 

 on account of the long 

 leaves and flower stalks 

 and the attractive blue or 



white blossoms. There are also a number of kinds of iris 

 suitable for the front of the border, on account of their shorter 

 leaves and flower stalks. 



The trollius, or globe flower, is a spring flowering, hardy 

 perennial which is not nearly so much grown as its beauty 

 deserves. The blossoms look like great double buttercups 



The Trollius or Globe Flower. 



