7 CFR § 29.2517
Fiber
July 6, 2020
The term applied to the veins in a tobacco leaf. The large central vein is called the midrib or stem. The smaller lateral and cross veins are considered from the standpoint of size and color.
The term applied to the veins in a tobacco leaf. The large central vein is called the midrib or stem. The smaller lateral and cross veins are considered from the standpoint of size and color.