Dr Butler's Cordial water

Take Pimpernel, Carduus, Angelica, Scordium, Scabious, Dragon, and still these severally in a Rose-still; and when you have a pint of the water of every of these sorts of Herbs, then mingle all thse together very well, and dissolve in it half a pound of Venice Treacle, then still all these together, and mingle the stronger water with the small; six spoonfuls of this water, made blood warm, given to one sick of the Plague, driveth all venome from the heart. It is excellent so used, for the Small Pox, or for any pestilent Feaver.

Source: The Queens Cabinet Opened: Or, The Pearle of Practice. Accurate, Physical and Chirurgical Receipts, Nathaniel Brooke

Carbuncle, the Common Scabious for

"Take scabious, the green herb and bruise it. Apply this to the affected part. This has been found a very effectual remedy." The common field scabious have many hairy, soft, whitish green leaves, some of which are very small and rough on the edges, others have hairy green leaves deeply and finely divided and branched a little. Flowers size of small walnut and composed of many little ones. Sometimes called "Morning Bride," "Devil's Bit," etc.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter