Knowltonia
(named in honour of Thomas Knowlton, 1692-1782, once Curator of the botanic garden at Eltham). SYN. Anamenia. ORD. Ranunculaceae. This genus comprises five or six species of greenhouse or half-hardy perennial herbs, having a very acrid juice, natives of the Cape of Good Hope. Flowers dull-coloured, in branching cymes or umbels; petals whitish, yellowish, or greenish. Leaves from the rootstock stalked, three-parted, or twice three-parted; leaflets stalked, toothed or cut. The species thrive in a loam and peat soil. Propagated by dividing at the root, or by seed. K. vesicatoria (blistering). fl. yellow, green, in simple few-flowered umbels. February to April. l. biternate, thick; segments ovate or cordate, serrulate, or nearly entire. h. 1 1/2ft. 1691. (B. M. 775.)