| melampsora | (n) rusts having sessile one-celled teliospores in a single layer, Syn. genus Melampsora |
| melampsoraceae | (n) rust fungi, Syn. family Melampsoraceae |
| psoralea | (n) widely distributed genus of herbs or shrubs with glandular compound leaves and spicate or racemose purple or white flowers, Syn. genus Psoralea |
| breadroot | (n) densely hairy perennial of central North America having edible tuberous roots, Syn. Indian breadroot, Psoralea esculenta, pomme de prairie, pomme blanche |
| flax rust | (n) fungus causing flax rust, Syn. Melampsora lini, flax rust fungus |
| guar | (n) drought-tolerant herb grown for forage and for its seed which yield a gum used as a thickening agent or sizing material, Syn. cluster bean, Cyamopsis tetragonolobus, Cyamopsis psoraloides |
| Melampsoraceae | prop. n. A natural family of rust fungi. |
| Psora | ‖n. [ L., fr. Gr. &unr_;. ] (Med.) A cutaneous disease; especially, the itch. [ 1913 Webster ] |