The cultivation of the fitch,288 too, is attended with no difficulty. It requires weeding, however, more than the vetch. Like it, the fitch has certain medicinal289 properties; for we find the fact still kept in remembrance by some letters of his, that the late Emperor Augustus was cured by its agency. Five modii will sow as much ground as a yoke of oxen can plough in a day. If sown in the month of March,290 it is injurious, they say, to oxen: and when sown in autumn, it is apt to produce head-ache. If, however, it is put in the ground at the beginning of spring, it will be productive of no bad results.