Figure 4. Fabaceae, USNM 535052. (1) Whole specimen. The specimen has an entire margin with a fimbrial vein; the apparent incisions that resemble teeth are from breaks in the margin and areas where the margin was not completely prepared due to the delicacy of the specimen. Scale bar equals 1 cm, with insets for close-ups of (2) and (3) secondary and tertiary venation, scale bar equals 1 mm, and (4) the pulvinulate petiolule, scale bar equals 1 mm.