Lakeside Miss Muffett is a stable white-edged form of Lakeside Knickknack. It can flower multiple times.
Registry - http://www.hostaregistrar.org/detail.php?id=3732&Variety=Lakeside%20Miss%20Muffett
MyHostas - http://myhostas.be/db/hostas/Lakeside+Miss+Muffett
Hosta Library - http://www.hostalibrary.org/l/miss.html
Here it is in early season:
Here it is late in the season: