Michigan Compiled Laws, Chapter 290. Weights, Measures and Standards § 290.152

1. “Mature” means that the outer skin (epidermis) does not loosen or “feather” readily during the ordinary methods of handling: Provided, That this provision shall not apply to new potatoes known and sold as such, and in other respects conforming to the provisions of this act;

2. “Bright” means free from dirt or other foreign matter or discoloration from any cause so that the outer skin (epidermis) has the attractive color normal for the variety;

3. “Smooth” means free from second growth, growth cracks and other abnormal, rough surfaces;

4. “Well-shaped” means that normal, typical shape for the variety in the district where grown and free from pointed, dumbbell shaped, successively elongated, and other ill-formed potatoes;

5. “Free from damage” means that the appearance shall not be injured to an extent readily apparent upon casual examination of the lot, and that any damage from the causes mentioned can be removed in the ordinary process of preparation for use without appreciable waste in addition to that which would occur if the potato were perfect. Loss of outer skin (epidermis) shall not be considered as an injury to the appearance;

6. “Diameter” means the greatest dimension at right angles to the longitudinal axis;

7. “Soft rot” means a soft, mushy condition of the tissues from whatever cause;

8. “Badly misshapen” means of such shape as to cause appreciable waste in the ordinary process of preparation for use in addition to that which would occur if the potato were perfect;

9. “Free from serious damage” means that any damage from the causes mentioned can be removed by the ordinary process of paring without increase in waste or more than 10 per cent, by weight, over that which would occur if the potato were perfect;

10. “Container” or “package” means cloth or fiber sack (such as is customarily used for the shipment of potatoes), barrel, box, crate, hamper or basket.