| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 523, 524 | Papaveraceae | Papaver rhoeas L. | tricolporate | echinate |
| 525, 526 | Convolvulaceae | Jacquemontia tamnifolia (L.) Grisebach | pericolpate | echinate |
| 527 | Caryophyllaceae | Petrorhagia dubia (Rafinesque) G. Lopez & Romo | periporate | echinate |
| 528 | Caryophyllaceae | Minuartia drummondii (Shinners) McNeill | periporate | echinate |