. 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. 68 CYPERACEAE {SEDGE FAMILY) NUT-GRASS Cyperus rottindus, L. Other English names: Nut Sedge, Coco Sedge, Coco-grass, Hydr: Cyperus. Introduced. Perennial. Propagates by seeds and by tuber-bear ing rootstocks. Time of bloom: July to September. Seed-time: August to November. Range: Virginia to Kansas, southward to Florida and Texas. Habitat: All soils; troublesome in cultivated crops, especially ii cot


. 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. 68 CYPERACEAE {SEDGE FAMILY) NUT-GRASS Cyperus rottindus, L. Other English names: Nut Sedge, Coco Sedge, Coco-grass, Hydr: Cyperus. Introduced. Perennial. Propagates by seeds and by tuber-bear ing rootstocks. Time of bloom: July to September. Seed-time: August to November. Range: Virginia to Kansas, southward to Florida and Texas. Habitat: All soils; troublesome in cultivated crops, especially ii cotton fields. This pest is said to have been brought into the United State among some garden plants from the West Indies, nearly a centur; ago, since when it has spread over a ver; large part of the country where the climat is propitious to it, extending along th coast as far north as New Jersey. It i very difficult to dislodge, experience hav ing shown that "nothing serves so well t propagate it as to plow and replow, wit! a view to destroy it," as a planter state* in a letter to Dr. Darlington. The smalle tubers are sometimes shipped, clinging t the roots of garden plants and nurser, stock, and the seeds are a common im purity of southern grass and clover see and baled hay; they are hard-coated an pass unharmed through the digestiv tracts of cattle and horses, and sue manure, without long composting, is menace to the land where it is spreac (Fig. 34.) The fibrous, scaly rootstocks, which ai its most mischievous part, are deep-se' first forming by descending from the bas of a young plant, to a depth of six inch* to a foot or more according to the mellow ness of the soil, and there forming the fin small, round, potato-like tuber, varyin. FlQ. 34. — Nut-grass (Cy- perus rotundus). X 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 per


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919