| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 427 | Rosaceae | Prunus munsoniana W. Wight & Hedrick | tricolporate | striate |
| 428 | Rosaceae | Crataegus brachyacantha Sargent & Engelmann | tricolporate | striate |
| 429, 430, 431 | Rosaceae | Rosa laevigata Michaux | tricolporate | striate |
| 432 | Rosaceae | Aronia arbutifolia (L.) Persoon | tricolporate | striate |