Herbaceous Plants 279 



feet high, producing several flower stems. The leaves 

 are slender and erect. The flowers of the cultivated 

 varieties have a flat expanded form which distinguishes 

 this group. The colors range from white through all the 

 shades of blue to deep purple. Their blooming season 



FIG. 160. German Iris. 



follows that of the Germanica group and lasts until the 

 end of July. All varieties are hardy and thrive in moist, 

 cool situations. They are used along margins of streams. 



The German Irises (Fig. 160) comprise a number of 

 species and hybrids which have given a large number of 

 garden varieties. These vary much in stature and in size 

 and color of the flowers. The latter are large (often 6 



