. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 384 SCROPHVLARIACEAE (FIGWORT FAMILY) A frequent weed of upland pastures; its stoloniferous habit causes it to form patches or colonies, crowding out the larger and more nutritious forage plants. Stems three to ten inches long, softly hairy, usually decumbent at the base and rooting at the lower joints, the flowering stalks erect. Leaves opposite, or the upper ones alternate, obovate to elliptical, a
. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 384 SCROPHVLARIACEAE (FIGWORT FAMILY) A frequent weed of upland pastures; its stoloniferous habit causes it to form patches or colonies, crowding out the larger and more nutritious forage plants. Stems three to ten inches long, softly hairy, usually decumbent at the base and rooting at the lower joints, the flowering stalks erect. Leaves opposite, or the upper ones alternate, obovate to elliptical, a half-inch to an inch long, obtuse, softly hairy on both sides, finely toothed, the lower ones narrowing to short, margined petioles. Flowers in slender, spike-like racemes densely crowded on very short pedicels; corolla four-parted, the lower lobe less than half as large as the others, pale blue or whitish, marked with dark blue or violet lines, the whole flower .only about a quarter-inch broad. Stamens two, one on each side of the upper lobe of the corolla, exserted; one slender style with stigma single; calyx with four narrow pointed lobes, longer than the pedi- cel. Capsule heart-shaped, two-celled, about an eighth of an inch broad, filled with fine, yellow, flattened seeds. (Fig. 268.) This Speedwell is a medicinal herb, and its leaves and flowering tops, collected when the plant is in full bloom and carefully dried, are Fig. 268. — Com- worth three to five cents a pound. mon Speedwell (Ve- ronica officinalis). Means of control xi. In lawns and yards, hoe-cutting and reseed- ing; in fields, cultivation of the ground; crowding out with. THYME-LEAVED SPEEDWELL Verdnica serpyllifblia, L. Native and introduced. Perennial. Propagates by seeds and by rooting at the joints. Time of bloom: April to 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919
