immense booty; he then retreated back to Lucca.
This violation of every law of nations filled the Florentines at first with affright, and afterwards with indignation. They had sent their best troops to Genoa; and they found themselves attacked without warning or time for preparation. When the Lucchese retreated, anger and complaint succeeded. Castruccio replied to the reproaches of the Florentines by a declaration of war, and then immediately marched with his forces to join the besieging army before Genoa.
When the Florentines found that they could obtain no redress, they turned their thoughts to revenge. They raised what fresh troops they could among the citizens; and wishing to assist their small army by other measures which were then rife in the Italian system of warfare, they endeavoured to foment a conspiracy among the Lucchese for the overthrow of their prince's government. Castruccio received in one day letters from Giovanni da Castiglione, the general who commanded the few troops which
