HARDY PERENNIAL PLANTS 



195 



The species which are commonly included among the German 

 Irises are I. squalens, I. variegata, I. germanica, I. aphylla, I. floren- 

 tina and /. sambucina. Numerous varieties have sprung from each 

 species, and from these there are evidently many cross breeds. /. 

 germanica is a handsome species. The flowers of the known varieties 

 of the /. aphylla have a white ground, with the margins marked 



Iris pallida dalmatica 



lavender and purple. Mme. Chereau is a well-known form. The 

 varieties of I. amcetia have the standards usually white and the falls 

 variously marked with violet blue. In /. variegata the very nu- 

 merous varieties have the standards yellow ; the falls are of a wide 

 range of color — dark yellow, maroon, dark purple and crimson 

 brown. The forms of /. squalens have the standards copper-bronze 

 and fawn colored, and the falls among other colors are maroon, 



