. 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. CONVOLVULACEAE (CONVOLVULUS FAMILY) 321 they are sometimes more than two feet long, and so thick as to attain a weight of over thirty pounds. Several stout, smooth stems spring from the same root, trailing or twining for a length of three to twelve feet. Leaves alternate, deep green, heart- shaped, long pointed, sometimes drawn in at the sides to a fiddle- shape, two to six inches long, with slender
. 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. CONVOLVULACEAE (CONVOLVULUS FAMILY) 321 they are sometimes more than two feet long, and so thick as to attain a weight of over thirty pounds. Several stout, smooth stems spring from the same root, trailing or twining for a length of three to twelve feet. Leaves alternate, deep green, heart- shaped, long pointed, sometimes drawn in at the sides to a fiddle- shape, two to six inches long, with slender petioles often longer than the blades. Flowers like those of the morning glory, the corollas funnel-shaped, two to three inches long, white, with five pink- ish purple stripes, often several on one stalk, which lengthens very much as the seed ripens-; stamens five, inserted low down on the tube of the corolla and alternat- ing with its lobes; ovary two celled, with entire or two-lobed stigma. Capsules globular, two- celled, containing two to four seeds, which have fine wool all around the margins. (Fig. 223.) Means of control Except to satisfy hunger it would FlG- 223- — wild Sweet Potato Vine ,. « ,, , , (Ipomva partdurata). xi- not pay to dig tor these deeply buried roots. Repeated deep cutting of the stems, putting a hand- ful of salt or a few spoonfuls of crude carbolic acid on the shorn surfaces, will finally subdue the FIELD BINDWEED Convdlvulus arvlnsis, L. Other English names: European Bindweed, Small-flowered Morning- Glory, Cow-bind, Bell-bind. Introduced. Perennial. Propagates by seeds and by horizontal roots that bud new 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 Georgia, Ada Eljiva, 1859-1921. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919
