64. Thymelaceæ.—Shrubs with tough inner bark; simple, entire, exstipulate leaves; and conspicuous, perfect, sweet-scented flowers. Sepals 4. Stamens 8. Fruit berry-like. (The Spurge Laurel Family.)
65. Loranthaceæ.—A green, parasitic, much branched shrub, with opposite, simple, entire leaves; inconspicuous, diœcious flowers; and whitish viscid berries. Sepals and stamens 4. Ovary one-chambered. Berry one-seeded. (The Mistletoe.)
66. Aristolochiaceæ.—Herbs and climbing shrubs, with alternate leaves and perfect flowers. Sepals 2 or 3, sometimes coloured, sometimes lipped. Ovary with 4 to 6 chambers, containing many ovules. (The Birthwort Family.)
67. Santalaceæ.—A slender, prostrate, root-parasite, with alternate, linear leaves; and inconspicuous, perfect flowers. Sepals and stamens 4 or 5. Ovary one-celled. Fruit dry, one-seeded. (The Bastard Toad-flax.)
68. Empetraceæ.—A mountain, evergreen, resinous shrub, with alternate, narrow leaves; and inconspicuous, diœcious flowers. Perianth of 6 scales. Stamens 3. Ovary of 3 to 9 cells, with one ovule in each cell. (The Crowberry.)
69. Euphorbiaceæ.—Trees, shrubs, or herbs, generally with a milky sap; simple, entire leaves; and small, inconspicuous flowers, sometimes enclosed in calyx-like bracts. Perianth of 3 or 4 parts, or absent. Stamens 1 or many. Fruit separating into 2 or 3 carpels elastically. (The Spurge Family.)
70. Urticaceæ.—Herbs, often with simple, stinging leaves; and small, green, clustered, unisexual flowers. Stamens 4 or 5, opposite the sepals. Ovary superior, one-celled. Fruit indehiscent. (The Nettle Family.)
71. Ulmaceæ.—Trees with alternate, distichous leaves, and perfect flowers. Perianth of 4 or 5 parts, bell-shaped. Stamens 4 or 5. Ovary superior, with one or two cells. Fruit a thin, one-seeded samara. (The Elm Family.)