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| Image No. | Family | Species | Class | Sculpture |
| 51 | Cactaceae | Cereus gigantea | tricolpate | scabrate (micropores) |
| 52 | Cactaceae | Cereus thurberi | tricolpate | scabrate (micropores) |
| 53 | Cactaceae | Echinocereus fendleri | tricolpate | scabrate (micropores) |
| 54 | Cactaceae | Ferocactus wislizeni | tricolpate | scabrate (micropores) |