278 



Landscape Gardening 



plants with Bordeaux mixture will provide additional pro- 

 tection. 



The flowers are single and double. The colors are white, 

 various shades of red and yellow. 



FIG. 159. Japanese Iris (Iris Icemgata) . 



Irises. There are two groups of the Irises which are 

 important for the American planter, the Japanese group 

 and the German group. The Japanese Iris (Iris lavigata, 

 pr I. Kaempferi), Fig. 159, forms strong clumps 2 to 3 



