THE IRIS. 123 



Calypso. Purple, white, and blue. 



Augustissima. Orange and brown. 



Apollo. Deep purple and white. 



A collection of these tuberous species is, in the latter part 

 of June, one of the most effective sights in a garden. They do 

 well, either in small clumps or in masses ; and, when the 

 colors are well combined, the effect of large beds is very fine. 



Seed is freely produced, and is sown to raise new varie- 

 ties. The older sorts are propagated by division of the 

 roots in early spring, or when they have made their growth 

 in July. 



In addition to the varieties above mentioned, there are 

 hundreds of others of the same class, flowering from the 

 first of June until the last of July, in some of the many 

 varieties. 



There is also a class of spring-blooming species, all 

 of dwarf growth, and admirably suited for the edging of 

 spring-borders. The colors of most of these are light or 

 dark blue : the species all bloom freely, and are very hardy, 

 enduring ill treatment and careless planting, and flourishing 

 and blooming in every soil and situation. They seldom 

 ripen seed, but propagate very freely by division of the 

 roots. Indeed, the clumps often increase so fast as to ren- 



