Meal of wheat, rye, and barley

Figure 1: meal globule, right; grain of sand, left

Figure 2: vaious sizes of wheat meal globules

Figure 3: wheat grain with seam

Figure 4: a section of the rind of a wheat grain showing arches to accommodate expansion

Figure 5: larger view of various sizes of rye meal globules showing seams

Figure 6: barley meal globules with elevated mounds after being heated in water