Book III OF RABIES 265 syderitis. Whatever may be the truth about alyssum, doctors will act wisely, in my judgment, who administer as a drink with vinegar, or pounded, the lesser madder in cases of rabies, since it is also good for snake—bites. And those who use syderitis will be equally well—advised, because this plant too is wonder— fully drying. Aetius recommends oxylapathus,'ss from the experience of a certain old man who used to employ it both internally and externally. I do not mean the oxylapathus called acetosa, for that is oxalis, but, of the lapatha, the kind that has pointed leaves and seed.