JACKSONIA (named after George Jackson, a Scotch botanist). ORD. Leguminosae. A genus comprising about twenty-eight species of rigid, greenhouse, leafless, shrubs or sub-shrubs, all natives of Australia. Flowers yellow, mixed with purple, small, in lateral or terminal racemes or spikes, or scattered along the branches; bracts small, scale-like. Leaves replaced by very minute scales at the nodes. Branches rigid, terete, angular or winged. The species thrive in a peat and loam soil. Cuttings of half-ripened shoots will root in sand, under a hand glass, during April. Jacksonias are very rarely seen in cultivation. JACKSONIA scoparia (broom-like). fl. yellow, disposed in one-sided racemes, either terminal or from the upper nodes. Summer. Branches angular. h. 2ft. to 6ft. 1803. Plant arborescent, unarmed. This tree is known in New South Wales as Dogwood, on account of the offensive smell emitted by its wood when burning. (L. B. C. 427.)