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 Icpvigata). 



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 IcBvigata, 

 or I. K^mpferi), Fig. 159, forms strong clumps 2 to 3 



