Lungwort, maiden-hair, hyssop, elecampane and hoarhound steeped together, is an almost certain cure for a cough.
"The American Frugal Housewife" by Lydia M. Child
Such are the pansy, violet, speedwell, hairbell, lungwort, blue geranium, etc.
"Birds and Man" by W. H. Hudson
The changing blue and pink flowers of the Lungwort, somewhat characteristic of its family, are curious also.
"Old-Time Gardens" by Alice Morse Earle