ATHEROSPERMA (from ather, an awn, and sperma, seed; seeds awned). ORD. Monimiaceae. A beautiful greenhouse evergreen tree, with the aspect of a stately Conifer. Flowers panicled, dioecious; perianth five to eight-cleft. Leaves opposite, aromatic. A compost of loam and peat, in about equal proportions, is necessary. It can be readily propagated by cuttings. ATHEROSPERMA Moschata (Musk-scented). Plume Nutmeg; Tasmanian Sassafras. fl. white. June. h. 40ft. New Holland, 1824.