A division of a type covering closely related grades based on certain characteristics which are related to stalk position, body, or the general quality of the tobacco. Groups in Flue-cured, U.S. Types 11–14, and Foreign Type 92 are: Leaf (B), Smoking Leaf (H), Cutters (C), Lugs (X), Primings (P) Mixed (M), Nondescript (N), and Scrap (S).