To destroy Fleas and Bugs

Cover the floor of the room with leaves of Alder, gathered while the dews hangs upon them; adhering to these, they are killed thereby.

Or powder stavesacre, and sprinkle it on the body, or on the bed.

Source: Primitive Physic: or an easy and natural method of curing most diseases, John Wesley.

Removing Granulations from the Eye

Take a stick of tag-alder about two feet long, boring a hole nearly through the middle of the stick, filling it with salt, and plugging it up; then put one end into the fire and char it nearly to the salt, then the other end the same way, and finally pulverizing and applying the salt, the same as the above, once daily only.

Source: Dr Chase’s Recipes, or Information for Everybody, A.W. Chase