Figure 5. A small, membranous leaf structure that grows at the juncture of leaf-stalk and stem, and causes the eye to not fixate on that juncture.

Figure 5. A small, membranous leaf structure that grows at the juncture of leaf-stalk and stem, and causes the eye to not fixate on that juncture. Fig. 99 in _The Art of Decorative Design_. Courtesy of the Department of Special Collections, Stanford University Libraries.

Figure 5. A small, membranous leaf structure that grows at the juncture of leaf-stalk and stem, and causes the eye to not fixate on that juncture. Fig. 99 in _The Art of Decorative Design_. Courtesy of the Department of Special Collections, Stanford University Libraries.