. The Indiana weed book. Weeds. WEEDS OF THE BUCKWHEAT FAMILY. 67 22. Polygonum aviculaee L. Knot-grass. Door-weed. Goose-grass. (A. N. 1.) Stem prostrate or sub- erect, slender, dull bluish- green, 4-18 inches long; leaves oblong or linear, J-f inch long, nearly ses- sile. Flowers axillary, in clusters of 1-5, small short-stemmed, greenish with white or pink bor- ders ; stamens 5-8. Seeds dull black, 1/10 inch long, 3-angled and minutely granular. (Fig. 34.) Very common, form- ing mats of spreading, wiry, jointed stems in yards and along path- ways and roadsides where the ground is much trodd
. The Indiana weed book. Weeds. WEEDS OF THE BUCKWHEAT FAMILY. 67 22. Polygonum aviculaee L. Knot-grass. Door-weed. Goose-grass. (A. N. 1.) Stem prostrate or sub- erect, slender, dull bluish- green, 4-18 inches long; leaves oblong or linear, J-f inch long, nearly ses- sile. Flowers axillary, in clusters of 1-5, small short-stemmed, greenish with white or pink bor- ders ; stamens 5-8. Seeds dull black, 1/10 inch long, 3-angled and minutely granular. (Fig. 34.) Very common, form- ing mats of spreading, wiry, jointed stems in yards and along path- ways and roadsides where the ground is much trodden; also in cultivated lands. June^ Nov. This is one of the social weeds, such as plantain, burdock, catnip, etc., which accom- panied the white man in his march across and conquest of the North American Continent. Holmes refers to it in the lines:. Fig. 34. Showing the flower and fruit. (After Small.) "Knot-grass, plantain—all the social weeds, Man's mute companions, following where he ; An infusion of it was formerly supposed to retard bodily growth and is referred to by Shakespeare in the lines: "Get you gone, you dwarf; You minimus, of hindering knot-grass ; The erect knot-grass (P. erectnm L.) is also, often found with the common form. It is erect or ascending, 1-2 feet high and has the leaves and often the , the former 1-2 inches long. Both species are attacked by a mildew and sometimes by a smut. Remedies: pulling or mowing before the seeds ripen; thorough cultivation with hoed crops; cement and concrete walks for 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 perfectly resemble the original Blatchley, W. S. (Willis Stanley), 1859-1940. Indianapolis, The Nature publishing company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1912
