Actually, these are offsets of Agave lophantha 'Quadricolor'. Lynn-Marie's been cleaning out the agave section and taking a few new pictures along the way.
However, one of our readers thinks the blog titles are too boring; things like "Oregon Cactus & Succulent Society Meeting" put people to sleep. So, in keeping with his criticism, I'm proposing a new title: "Strange People with Weird plants to gather in Rare location. Other succulent people invited."