| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 517 | Ranunculaceae | Clematis pitcheri Torrey & Gray | tricolpate | scabrate |
| 518 | Portulacaceae | Talinum paniculatum (Jacquin) Gaertner | pericolpate | scabrate |
| 519, 520 | Asteraceae | Trixis inula Crantz | tricolporate | echinate |
| 521 | Ranunculaceae | Delphinium carolinianum Walter | tricolpate | scabrate |
| 522 | Convolvulaceae |
|
pericolpate | echinate |