AOTUS (from a, without, and ous, an ear; in allusion to the absence of appendages in the calyx, which distinguishes it from its allied genus, Pultenoea). ORD. Leguminosae. Elegant little greenhouse evergreen shrubs, with yellow flowers, and simple, linear-subulate leaves, revolute at the margins, alternate or nearly opposite, or three in a whorl. They should be grown in a compost of equal parts loam, sand, and peat, with a little charcoal, and the pots should be well drained. Cuttings of half-ripened wood, made in April, root freely in sand, under a bell glass. AOTUS gracillima (most slender).* fl. yellow and crimson, small, on long, dense, graceful spikes, which are often over a foot long; pedicels short. May. h. 3ft. New Holland, 1844. A very pretty slender growing shrub. AOTUS villosa (soft-haired). fl. axillary, disposed in racemose spikes along the branches; calyx silky. April. l. smoothish on the upper surface. h. 1ft. to 2ft. New Holland, 1790.