Roylea
(named in honour of John Forbes Royle, once superintendent of the Botanic Gardens at Saharumpur, and Professor of Materia Medica at King's College, London). ORD. Labiatae. A monotypic genus. The species is an interesting, erect, much-branched, greenhouse, cinereous shrub, with obsoletely quadrangular, spreading, paniculate branches. It will thrive in any light, rich soil. Cuttings will root readily in similar soil, if a glass be placed over them.
R. elegans (elegant). fl., whorls six to ten-flowered, loose; calyx over 1/2in. long, cano-pubescent; corolla white, much diluted with rose-colour. July. l. copious, petiolate, ovate, acute, loosely sub-cordate, deeply and obtusely serrated, 1in. to 1 1/2in. long, green above, hoary beneath. h. 3ft. to 5ft. Himalayas, 1824.