Hardy Exotic Flowering Plants 195 



Periwinkle, Vinca. — Trailing plants, with glossy foliage 

 and blue flowers, well known in gardens. They grow in any 

 position, shady or sunny. There 

 are variously-coloured and very 

 pretty varieties of V. minor, while 

 the variegated forms of both 

 species are pretty. 



Speedwell, Veronica. — Herba 

 ceous and alpine plants, usually 

 rather tall (i^ feet to 3 feet), in 

 some cases dwarf alpine plants 

 with blue flowers in various 

 shades ; they are among the 

 hardiest of plants, and will grow 

 in any soil. All the taller kinds 

 are admirably suited for naturali 

 zation among long grass and 

 other herbaceous vegetation 

 Very many that are in cultivation 

 in borders are fit only for the wild 

 garden. The dwarf kinds are 

 equally suitable for bare places, 

 or among other dwarf plants 



Violet, Viola. — A numerous 

 race of dwarf and interesting 

 plants, thriving freely in our 

 climate, in half-shady places, 

 rocky spots or banks, fringes of 

 shrubberies, or almost any position, 

 bird's-foot Violet of North America (V. pedata) would thrive 

 in sandy level places or on rocky banks. In this family 

 occur a good many kinds, such as V. canadensis, which, 



o 2 



TALL MULLEIIT. 



The very handsome 



