And they came to Elim where there were twelve water-springs and seventy palm-trees: and they put up their tents there by the waters.

For all the face of the earth was covered with them, so that the land was black; and every green plant and all the fruit of the trees which was untouched by the ice-storm they took for food: not one green thing, no plant or tree, was to be seen in all the land of Egypt.