REFERENTIA. 1. Calyx lente auctus. 2. Corolla lente aucta. 3. Stamina et Pistillum, antherâ unicâ lente auctâ. 4. Germen et Pistillum, stigmate lente aucto. 5. Germen lente auctum. SPECIFIC CHARACTER. HEATH, with beardless tips within the blossom: flowers grow by fours, slender, and white: leaves by fours, linear, and smooth: stem slender. DESCRIPTION. STEM shrubby, weak, a foot or more high: the small and large branches are thread-shaped, and twiggy. LEAVES by fours, linear, blunt, smooth, erect, and spreading. FLOWERS grow by fours at the ends of the small branches: footstalks short, and furnished with three awl-shaped floral leaves. EMPALEMENT four-leaved: leaflets of a yellowish green, lance-shaped, and pressed to the blossom. BLOSSOM trumpet-shaped, and very slender; the segments of the border are sharp-pointed, spreading, and very white; the tube is of a transparent white. CHIVES. Eight hair-like threads; tips beardless, and within the blossom. POINTAL. Seed-bud turban-shaped, and furrowed. Shaft thread-shaped. Summit four-cornered. Native of the Cape of Good Hope. Flowers from July till December. REFERENCE. 1. The Empalement magnified. 2. A Blossom magnified. 3. The Chives and Pointal, one tip magnified. 4. Seed-bud and Pointal, summit magnified. 5. Seed-bud magnified. [Illustration] ERICA tetragona. CHARACTER SPECIFICUS. ERICA, antheris muticis, inclusis; corollis urceolatis, axillaribus, ternis, confertis, tetragonis; concavis, luteis; foliis ternis. DESCRIPTIO. CAULIS fruticosus, virgatus, sub-pedalis, erectus, ramosus, gracilis; rami filiformes et patentes. FOLIA terna, trigona, linearia, acuta, glabra, subtus tenuissime sulcata, erecto-patentia. FLORES in axillis foliorum, plerumque terni, erecti, conferti, cum odore cucumis. CALYX tetraphyllus, foliolis lanceolatis, ciliatis; bracteis tribus linearibus. COROLLA urceolata, lutea, tetragona, concava, ore arctata; laciniis æqualibus, acuminatis, patentibus, et reflexis. STAMINA octo, capillaria; antheris muticis inclusis. PISTILLUM. Germen conicum, glabrum. Stylus linearis, sub-exertus. Stigma tetragonum. Habitat ad Caput Bonæ Spei. Floret a mense Julii ad Septembrem. REFERENTIA. 1. Umbella Florum. 2. Calyx auctus. 3. Corolla lente aucta. 4. Stamina et Pistillum. 5. Anthera una aucta. 6. Germen et Pistillum, stigmate lente aucto. 7. Germen lente auctum. SPECIFIC CHARACTER. HEATH, with beardless tips within the blossoms, which are pitcher-shaped, and grow from the axillæ of the leaves in threes, are crowded together, four-sided, concave, and yellow; leaves by threes. DESCRIPTION. STEM shrubby, twiggy, near a foot high, upright; branches slender, the large ones thread-shaped and spreading. LEAVES by threes, three-sided, linear, sharp and smooth, slightly furrowed beneath, and between erect and spreading. FLOWERS grow from the axillæ of the leaves, mostly by threes, upright, crowded together, and smell like a cucumber.