. Common weeds of the Canadian Prairies;. Weeds. Conringia orientalis (L.) Dum. HARE'S-EAR MUSTARD An introduced annual or winter annual to 2 feet high, with taproot and smooth stems. Leaves elliptical, entire, smooth, clasping stem with eared bases. Plant has a bluish bloom. Flowers creamy-white. Pods narrow, erect, 3 to 4 inches long, square in cross section. A common weed of fields and roadsides. Convolvulus arvensis L. FIELD BINDWEED. A deep-rooted perennial with a very ex- tensive system of white roots and slender, twining stems. Leaves alternate, bluntly tri- angular, with hastate bases.
. Common weeds of the Canadian Prairies;. Weeds. Conringia orientalis (L.) Dum. HARE'S-EAR MUSTARD An introduced annual or winter annual to 2 feet high, with taproot and smooth stems. Leaves elliptical, entire, smooth, clasping stem with eared bases. Plant has a bluish bloom. Flowers creamy-white. Pods narrow, erect, 3 to 4 inches long, square in cross section. A common weed of fields and roadsides. Convolvulus arvensis L. FIELD BINDWEED. A deep-rooted perennial with a very ex- tensive system of white roots and slender, twining stems. Leaves alternate, bluntly tri- angular, with hastate bases. Flowers pink to white, about 1 inch across, singly or in small bunches of 2 or 4. Fruit a 2-celled capsule con- taining large, dark-brown, angular seeds. An introduced weed, very difficult to eradicate. Convolvulus sepium L. var. americanus Sims WILD MORNING-GLORY. 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 Canada. Dept. of Agriculture. Research Branch. Ottawa, Queen's Printer
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Keywords: ., bookcentury1900, bookpublisherottawaqueensprin, booksubjectweeds
