Examples from the Web for dog violet
Historical Examples of dog violet
It feeds in May and June on dog-violet, and has been reared on garden pansy.
The ribs seem to be eighteen or twenty in number; laid in June or July on plants of dog-violet.
The caterpillar, which feeds on the dog-violet, is very similar to that of the last; as also is the chrysalis.British Butterfiles
W. S. Coleman