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| Image No. | Family | Species | Class | Sculpture |
| 27 | Cruciferae | Streptanthus arizonicus | tricolpate | reticulate |
| 28 | Cruciferae | Lesquerella gordoni | tricolpate | reticulate |
| 29 | Leguminosae | Cercidium microphyllum | tricolporate | reticulate |
| 30 | Leguminosae | Cercidium floridum | tricolporate | reticulate |