968. Order Rhamnales.—Shrubs, vines, or small trees. There are two families, the buckthorn (Rhamnaceæ), the grape family (Vitaceæ), including the grapes (Vitis), the American ivy (Parthenocissus quinquefolia = Ampelopsis quinquefolia), in woods and thickets, eastern North America, and much planted as a trailer over porches. The Japanese ivy (P. tricuspidata = A. veitchii) used as a trailer on the sides of buildings belongs here.
969. Order Malvales.—Herbs, shrubs, or trees.
The linden family (Tiliaceæ). Example, the basswood or American linden (Tilia americana.)
The mallow family (Malvaceæ), including the hollyhock, the mallows, rose of Sharon (Hibiscus), etc.
970. Order Parietales, with seven families in the eastern United States. The St. John’s wort (Hypericum) and the violets each represent a family. The violets (Violaceæ) are well-known flowers.
971. Order Opuntiales.—These include the cacti (Cactaceæ), chiefly growing in the dry or desert regions of America.
972. Order Thymeleales, with two families and few species.
973. Order Myrtales.—Land, marsh, or aquatic plants. The most conspicuous are in the evening primrose family (Onagraceæ), including the fireweeds, or willow herbs (Epilobium), and the evening primrose (Onagra biennis = Œnothera biennis).
974. Order Umbellales.—Herbs, shrubs, or trees, flowers in umbels.
The ginseng family (Araliaceæ). This includes the spikenards and sarsaparillas in the genus Aralia, and the ginseng (or “sang”), Panax quinquefolium.