The best plan, however, of preserving grain, is to lay it up in trenches, called “siri,” as they do in Cappadocia, Thracia, Spain, and at * * * in Africa. Particular care is taken to dig these trenches in a dry soil, and a layer of chaff is then placed at the bottom; the grain, too, is always stored in the ear. In this case, if no air is allowed to penetrate to the corn, we may rest assured that no noxious insects will ever breed in it. Varro[612] says, that wheat, if thus stored, will keep as long as fifty years, and millet a hundred; and he assures us that beans and other leguminous grain, if put away in oil jars with a covering of ashes, will keep for a great length of time. He makes a statement, also, to the effect that some beans were preserved in a cavern in Ambracia from the time of King Pyrrhus until the Piratical War of Pompeius Magnus, a period of about two hundred and twenty years. The chick-pea is the only grain in which no insect will breed while in the granary. Some persons place upon the heaps of the leguminous grains pitchers full of vinegar and coated with pitch, a stratum of ashes being laid beneath; and they fancy that if this is done, no injury will happen. Some, again, store them in vessels which have held salted provisions, with a coating of plaster on the top, while other persons are in the habit of sprinkling lentils with vinegar scented with laser,[613] and, when dry, giving them a covering of oil. But the most effectual method of all is to get in everything that you would preserve from injury at the time of the moon’s conjunction; and hence it is of the greatest importance to know, when getting in the harvest, whether it is for garnering or whether for immediate sale. If cut during the increase of the moon, grain will increase in size. CHAP. 74. (31.)—THE VINTAGE, AND THE WORKS OF AUTUMN.