Historical drawing of Viola canina subsp. ruppii (Heath Dog-violet) -
Viola canina L. Violaceae Distribution: Europe. Culpeper (1650) writes 'Violets (to whit the blew ones, for I know little or no use of the white ones in physic) ... provoke sleep, loosen
Historical drawing of Viola canina subsp. ruppii (Heath Dog-violet) -