| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 487, 488 | Crassulaceae | Penthorum sedoides L. subsp. sedoides | tricolporate | striate |
| 489, 490, 491 | Crassulaceae | Sedum nuttallianum Rafinesque | tricolporate | striate |
| 492 | Rosaceae | Fragaria virginiana Duchesne | tricolporate | striate |