And then the scale came back. In a room where I hadn't seen them previously (husband's office; the plant was the parent Pereskia aculeata var. godseffiana). Posting may be a bit off and on for a while, as I try to determine the extent of the problem and figure out what to do about it.
I'm also setting aside some time to pound my head on my desk, curse the day I was born, and that sort of thing.