For of all the plains of Boeotia this is the largest and fairest, and beginning from the city of Orchomenus, it spreads out smooth and treeless as far as the marshes in which the river Melas loses itself. This rises close under the city of Orchomenus, and is the only Greek river that is copious and navigable at its sources; moreover, it increases towards the time of the summer solstice, like the Nile, and produces plants like those which grow there, only stunted and without fruit. Its course is short, however, and the greater part of it disappears at once in blind and marshy lakes, while a small portion of it unites with the Cephisus, somewhere near the place in which the stagnant water is reputed to produce the famous reed for flutes. The Boeotians excelled with the flute. See Alcibiades , ii. 4-6.