7 CFR §810.1205

1. (a)Ergoty rye. Rye that contains more than 0.30 percent of ergot.
2. (b)Garlicky rye. Rye that contains in a 1,000-gram portion more than six green garlic bulblets or an equivalent quantity of dry or partly dry bulblets.
3. (c)Light garlicky rye. Rye that contains in a 1,000-gram portion two or more, but not more than six, green garlic bulblets or an equivalent quantity of dry or partly dry bulblets.
4. (d)Light smutty rye. Rye that has an unmistakable odor of smut, or that contains in a 250-gram portion smut balls, portions of smut balls, or spores of smut in excess of a quantity equal to 14 smut balls but not in excess of a quantity equal to 30 smut balls of average size.
5. (e)Plump rye. Rye that contains not more than 5.0 percent of rye and other matter that passes through a 0.064 × 3/8 oblong-hole sieve.
6. (f)Smutty rye. Rye that contains in a 250-gram portion smut balls, portions of smut balls, or spores of smut in excess of a quantity equal to 30 smut balls of average size.