. Common weeds of the Canadian Prairies;. Weeds. An introduced annual or winter annual 1 to 18 inches high, with smooth leaves and hairless stems. Lower leaves oblanceolate, stalked, soon withering and falling off; stem leaves lanceolate to oblong, eared at base, clasping stem. Flowers small, white, i inch across, in clusters at ends of stems. Pods oval, flat, broadly winged, i to i inch across, deeply notched at top, on stalks i to I inch long; pod clusters green at first, turning dull-yellow to orange at maturity. Seeds purplish chocolate brown, y2 inch across, with a grooved pattern like a
. Common weeds of the Canadian Prairies;. Weeds. An introduced annual or winter annual 1 to 18 inches high, with smooth leaves and hairless stems. Lower leaves oblanceolate, stalked, soon withering and falling off; stem leaves lanceolate to oblong, eared at base, clasping stem. Flowers small, white, i inch across, in clusters at ends of stems. Pods oval, flat, broadly winged, i to i inch across, deeply notched at top, on stalks i to I inch long; pod clusters green at first, turning dull-yellow to orange at maturity. Seeds purplish chocolate brown, y2 inch across, with a grooved pattern like a finger print on each side. Very common across prairies. Tragopogon dubius Scop. YELLOW GOAT'S-BEARD A coarse biennial 6 to 24 inches high, from a deep fleshy taproot. Leaves grass-like, erect, narrow, 4 to 12 inches long, stalkless, clasping at base. Flowers sulphur yellow, li to 2 inches across, with 10 to 14 green bracts that are longer than florets. Heads single on long stem, which is swollen just below head. Heads very evident in seed, usually 3 to 4 inches in diam- eter. Seeds tapered to a long beak, ribbed, bearing a parachute of white hairs. Introduced, plentiful on roadsides and in waste Urtica gracilis Ait. COMMON NETTLE A perennial with very coarse rootstocks, which have pink offshoots. Stems erect, usually square in cross section, with ovate to lanceolate, toothed, opposite leaves that bear stinging hairs. Flowers greenish, in clusters in leaf axils. Common around sloughs, bushes, and moist places throughout prairies. 64. 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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