The Stop & Shop in Malden didn't have any. The Star/Shaw's off of Rt. 16 in Medford(?) had a spot for them, but they were all out (even in the back; I asked). I guess I'll try to Star/Shaw's at Porter next, then maybe the Market Basket in Somerville.
Since Stop & Shop didn't have any star fruit, I got some black plums and a couple of Ugli fruit (tangelo). So, I think I'll make a small batch each of plum jam (with maybe some ginger?) and Ugli marmalade. I'll probably do those later this afternoon/evening.
I will take requests in advance for plum jam and Ugli marmalade. I will also take requests for the star-fruit jam, but I don't know when I'll be able to find any.