1-2' tall, leaves shaped like toothed spades, 2"broad. White, cross-shaped flowers, 1/2" wide. Crushed leaves gave a strong smell of garlic.
Walking across my deck, inspecting a spot where a bag of trash had been. The same culprit, presumably, had tried to get into said bag while my wife was home. The sound of my camera's flash opening scared it, so no pic.
Wish'd I hadn'ta seen a larva in my house!