| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 37, 38 | Fagaceae | Castanea pumila (L.) P. Miller | tricolporate | psilate |
| 39 | Fagaceae | Castanea dentata (Marshall) Borkhausen | tricolporate | psilate |
| 40 | Anacardiaceae | Rhus aromatica Aiton | tricolporate | psilate |
| 41 | Saururaceae | Saururus cernuus L. | inaperturate | scabrate |
| 42 | Boraginaceae | Myosotis macrosperma Engelmann | heterocolpate | scabrate |