Gumbo with flour

1 bunch mustard greens * 1 bunch collard greens * 1 bunch turnip greens * 1 bunch watercress * 1 bunch beet tops * 1 bunch carrot tops * 1 bunch spinach 1/2[...]

1/2 pound lump crab meat picked over * 1/4 cup vegetable shortening * 2 tablespoons flour, all-purpose 1/4 cup onion chopped 1 pound okra rinsed, trimmed,[...]