. 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. RVBIACEAE (MADDER FAMILY) 397 roots, though much inferior to the true Madder, are sometimes used for the production of a red dye. Stems numerous, tufted, three to ten inches long, some erect and some spreading on the ground, very slender, square, and rough-hairy on the angles. Leaves about a half-inch long, narrow, rough-edged, sharp- pointed, sessile, and whorled in fours, fives, or sixes. Flowers v
. 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. RVBIACEAE (MADDER FAMILY) 397 roots, though much inferior to the true Madder, are sometimes used for the production of a red dye. Stems numerous, tufted, three to ten inches long, some erect and some spreading on the ground, very slender, square, and rough-hairy on the angles. Leaves about a half-inch long, narrow, rough-edged, sharp- pointed, sessile, and whorled in fours, fives, or sixes. Flowers very small, in dense terminal clusters or heads, surrounded by an involucral whorl of spiny-pointed, leaf-like bracts; they are blue (sometimes pink), the corollas fun- nel-shaped, with four or five spreading lobes, and as many stamens as lobes, inserted on the tube, the anthers exserted; style two- parted at summit. Ovary below the flower, two-celled and two-seeded, forming twin car- pels which are indehiscent and crowned by the persistent, rough-hairy, four- to six-lobed calyx. (Fig. 276.). Fig. 276. —Blue Means of control Clover fields and meadows infested with this weed should be mowed very early, before Fl?\d Madder (Sher- . i -^ ardia arvensis). X i- the formation of seed. Being annual, it can thus be driven out in a year or two, if seeds are not allowed to foul the ground. GOOSE-GRASS, OR CLEAVERS Galium Aparine, L. Other English names: Scratch Grass, Grip Grass, Cling Rascal, Catchweed, Hedgeburs, Sweethearts. Native. Annual. Propagates by seeds. Time of bloom: May to September. Seed-time: July to November. Range: New Brunswick to Alaska, southward to Florida and Texas. Habitat: Rich soil; fence rows and thickets. A worthless weed, and sometimes a serious pest to the wool- grower, who finds the quality of his fleeces cheapened by its tiny Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabili
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919
