| Earleocassia arida (Rose) Britton ex Britton & Rose, 1930 |
| Earleocassia bauhinioides (A. Gray) Britton ex Britton & Rose, 1930 |
| Earleocassia confinis (Greene) Britton ex Britton & Rose, 1930 |
| Earleocassia covesii (A. Gray) Britton ex Britton & Rose, 1930 |
| Earleocassia crotolarioides (Kunth) Britton ex Britton & Rose, 1930 |
| Earleocassia demissa Britton, 1930 |
| Earleocassia durangensis (Rose) Britton ex Britton & Rose, 1930 |
| Earleocassia lindeheimeriana (Scheele) Britton ex Britton & Rose, 1930 |
| Earleocassia roemeriana (Scheele) Britton ex Britton & Rose, 1930 |
| Ebenopsis Britton & Rose, 1928 |
| Ebenopsis caesalpinioides (Standl.) Britton & Rose, 1928 |
| Ebenopsis confinis (Standl.) Britton & Rose, 1928 |
| Ebenopsis ebano (Berland.) Barneby & J.W. Grimes, 1996 |
| Ebenopsis flexicaulis (Benth.) Britton & Rose, 1928 |
| Ecastaphyllum P. Browne, 1756 |
| Ecastaphyllum benthamianum Miq., 1844 |
| Ecastaphyllum brownei Pers., 1807 |
| Ecastaphyllum ecastophyllum (L.) Britton, 1918 |
| Ecastaphyllum monetaria (L. f.) Pers., 1807 |
| Emelista Raf., 1838 |