Figure 10.9–Fruits of Arceuthobium americanum as seen in surface view SEM (A-C) and sectional view using brightfield microscopy (D). A: whole fruit showing distal and proximal zones, x40. B: enlarged view showing juncture of zones, x70. C: distal section showing dense concentration of stomata, x80. D: longitudinal section of developing fruit showing crushed mamelon (c), embryo (e), endosperm (en), pericarp (p) pedicel (pe), remnants of stigma (s), and remnants of sepal (se), x40.