HARDY HERBACEOUS PLANTS, ETC. 227 



baceous plants, as it blooms from September to Xovember, 

 when few other plants are in bloom. The flowers are large 

 and showy and of two colors, red or rose-color and white. 



COLUMBIXE (Aquilegia v-ulgaris). Fig. 127. The com- 

 mon garden columbine varies very much in color and form 

 of flowers and is very easily grown-. It is best to sow seeds 



FIG. 127. COLUMBINE (Aquilegia). 



every two or three years to renew the stock. The Rocky- 

 Mountain yellow (A. chrysantha) and the blue (A. cceruled) 

 succeed well in rather moist locations. 



NATIVE ASTERS. Many species of our native asters are 

 very beautiful, and under proper conditions succeed in 

 cultivation. Under the shade of avenue- or street-trees 

 Aster cordifolius and A. undulatus grow beautifully in 



