The beech family (Fagaceæ = Cupuliferæ, examples: Fagus, beech; Castanea, chestnut; Quercus, oak). =957. Order Urticales.=—Trees, shrubs, or herbs. Examples: the elm family (Ulmaceæ), the mulberry family (Moraceæ), and the nettle family (Urticaceæ). =958. Order Santalales=, herbs or shrubs, mostly parasitic. The mistletoe family (Loranthaceæ), with the American mistletoe (Phoradendron flavescens), parasitic on deciduous trees in the South Atlantic, Central, and Gulf States (N. J. to Ind. Ter.). The sandalwood family (Santalaceæ, example, the bastard toad-flax, Comandra umbellata), widely distributed in North America. =959. Order Aristolochiales.=—Herbs or vines with heart-shaped or kidney-shaped leaves. The birthwort family (Aristolochiaceæ, example, Aristolochia serpentaria, the Virginia snake-root, eastern United States; wild ginger, or heart-leaf, Asarum canadense, eastern North America.) =960. Order Polygonales.=—Examples: the buckwheat family (Polygonaceæ), including buckwheat (Fagopyrum), and numerous species of Polygonum, known as smartweed, water-pepper, tear-thumb, bindweed, knotweed, prince’s-feather, etc. =961. Order Chenopodiales.=—Herbs. There are several families; one of the largest is the goosefoot family (Chenopodiaceæ). The genus Chenopodium includes many species, known as goosefoot, lamb’s-quarters, etc. Here belong also the Russian thistle (Salsola tragus) and the saltwort (S. kali). The former is sometimes a troublesome weed in the central and western United States, naturalized from Europe. The latter occurs along the Atlantic coast on seabeaches. Atriplex occurs in salty or alkaline soil, also the glasswort (Salicornia herbacea), the bugseed (Corispermum). The pokeweed family (Phytolaccaceæ), the Amaranth family (Amaranthaceæ), the purslane family (Portulacaceæ, including the purslane or “pursley,” Portulaca oleracea, and the spring-beauty, Claytonia virginica), and the pink family (Caryophyllaceæ), belong here. =962. Order Ranales.=—Herbs, shrubs, or trees. Examples are: The water-lily family (Nymphæaceæ), with the yellow water-lily (Nymphæa advena = Nuphar advena) and the white water-lily (Castalia odorata = Nymphæa odorata). The magnolia family (Magnoliaceæ), including the magnolias (Magnolia) and the tulip-tree (Liriodendron). The crowfoot family (Ranunculaceæ), with the buttercups, hepatica, clematis, etc. =963. Order Papaverales.=—Mostly herbs. Examples are: The poppy family (Papaveraceæ), including the opium or garden poppy (Papaver somniferum), the blood-root (Sanguinaria canadensis), the Dutchman’s-breeches (Bicuculla cucullaria = Dicentra cucullaria), squirrel’s-corn (Bicuculla canadensis = D. canadensis). The mustard family (Cruciferæ), including the toothwort (Dentaria), shepherd’s-purse (Bursa bursa-pastoris = Capsella bursa-pastoris), the cabbage, turnip, etc. =964. Order Sarraceniales.=—Insectivorous plants.