. The families of flowering plants. Plants; Phanerogams. 230 FAMILIES OF FLOWEEING PLANTS or occasionally trees, comprised in about 70 genera and 1200 species of wide distribution. They have opposite or whorled, rarely alternate leaves, and perfect but usually irregular flowers, variously clustered. Calyx 4-5-lobed. Corolla bilabiate (2-lipped) or sometimes regular,* with a slender tube and 4-5-cleft upper portion. Stamens 4, one pair longer than the others, or rarely 2; ovary superior, 2-4-celled, composed of 2 carpels; fruit dry, consisting of 2-4 nutlets, or fleshy, a 2-4-seeded drupe. The
. The families of flowering plants. Plants; Phanerogams. 230 FAMILIES OF FLOWEEING PLANTS or occasionally trees, comprised in about 70 genera and 1200 species of wide distribution. They have opposite or whorled, rarely alternate leaves, and perfect but usually irregular flowers, variously clustered. Calyx 4-5-lobed. Corolla bilabiate (2-lipped) or sometimes regular,* with a slender tube and 4-5-cleft upper portion. Stamens 4, one pair longer than the others, or rarely 2; ovary superior, 2-4-celled, composed of 2 carpels; fruit dry, consisting of 2-4 nutlets, or fleshy, a 2-4-seeded drupe. The verbena of our gardens, belonging to the genus Verbena, is a characteristic plant of this family. Besides the ornamental species of cultivation having the corolla of many colors, there are many wild species of Verbena, known as vervains, which are decidedly weeds, having small, insignificant flowers in long spikes. (See Fig. 199.) Lippia is some-. KiG. 199. The Blue Vervain ( Verbena hastata). After Britton and Brown, 111. Fl. Northeast U. S. what similar in its characters to Vevbena; it is very widely represented in the tropics, as is also Lantana, familiar to us as a greenhouse shrub. The black mangrove {Avicennia niUda), common on the Florida Keys, and remarkable for its habit of sending up from the ground short erect roots, is a tree of this family. The so-called "lemon verbena" belongs to the genus Aloysia. The teakwood of East India (Tectona grandis) is one of the most important Oriental timber trees. Other East Indian genera, sometimes represented in cultivation, are Vitex and Chrodendron. Family Labiatae. Mint Family. This very large and important *The flat, expanded part of a corolla like that in a phlox flower, is known as the limb in contra distinction to the iube Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfec
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1900
