epicarp

At intervals along the surface of the epicarp are stomata, or breathing pores, surrounded by guard cells.

The cells of the epicarp are broad and polygonal, sometimes regularly four-sided, about 15–35 µ broad.

Mooden Sheriff ascribes its emetic properties to the pulp alone, the epicarp and seeds being inactive according to his authority.

Fruit with a fibrous-fleshy indehiscent epicarp, and a mostly rough irregularly furrowed endocarp or nut-shell.

Fruit a little seed-like nutlet, enclosed in a loose and separable membranous epicarp.