1. The empalement and floral leaves. 2. The chives detached, one tip magnified. 3. Seed-bud and pointal, summit magnified. 4. Seed-bud magnified. [Illustration] ERICA gracilis. DESCRIPTIO. Antheræ basi bicornes, inclusæ. Flores plerumque quaterni, in capitulis terminalibus, pedunculis capillaribus. Corolla parva, sub-globosa, læte purpurea, ore paululum contracta. Folia quaterna, linearia, tenuia, glabra, erecta. Caulis fruticosus, sesquipedalis; ramulis filiformibus, per-gracilibus, numerosis. DESCRIPTION. Tips two-horned at the base, within the blossom. Flowers chiefly in fours, in terminal heads with capillary foot stalks. Blossom small, rather globose, bright purple, a little contracted at the mouth. Leaves by fours, linear, thin, smooth and erect. Stem shrubby, a foot and a half high. Branches thread-shaped, very slender, and numerous. * * * * * Native of the Cape of Good Hope. In bloom from February till May, and again from August till October. REFERENCE. 1. The empalement magnified. 2. The chives and pointal, one tip magnified. 3. Seed-bud and pointal, summit magnified. 4. Seed-bud magnified. [Illustration] ERICA hispida. DESCRIPTIO. Antheræ muticæ, sub-exertæ. Flores in ramulis terminales, racemosi, sub-nutantes. Corolla sub-globosa, incarnata; laciniis limbi erectis, parvulis, obtusis. Folia quaterna, linearia, obtusa, hispidiora. Caulis erectus, pedalis. Rami et ramuli numerosi, rigidi, hispidi. DESCRIPTION. Tips beardless, just without the blossom. Flowers grow at the ends of the branches in bunches, a little drooping. Blossom nearly globular, and flesh-coloured; the segments of the border upright, very small, and blunt. Leaves by fours, linear, blunt, and harshly hairy. Stem upright, a foot high. The large and small branches are numerous, harsh, and hairy. * * * * * Native of the Cape of Good Hope. In bloom from August till November. REFERENCE. 1. A leaf magnified. 2. The empalement magnified. 3. The chives spread open, one tip magnified. 4. Seed-bud and pointal, summit magnified. 5. The seed-bud magnified. [Illustration] ERICA horizontal. DESCRIPTIO. Antheræ muticæ, exertæ. Flores in ultimis ramulis, plerumque terni, et cernui. Pedunculi breves, bracteis tribus spathulatis, imbricatis. Corolla ovata, basi alba, apice atro-fusca. Folia quaterna, obtusa, linearia, glabra, horizontalia. Caulis erectus, subpedalis, ramosus. Rami et ramuli virgati. DESCRIPTION. Tips beardless, without the blossom. Flowers grow at the ends of the smaller branches, mostly by threes, and nodding. Footstalks short, and furnished with three spatula-shaped, tiled floral leaves. Blossom egg-shaped, white at the base, and of a dark brown towards the point. Leaves by fours, obtuse, linear and smooth; standing out horizontally. Stem upright, near a foot high, and branching. The large and small branches are twiggy. * * * * *