. Common weeds of the Canadian Prairies;. Weeds. Agrostemma githago L. PURPLE COCKLE A hairy, erect annual 1 to 2i feet high, with a taproot. Leaves linear, hairy, to 4 inches long. Flowers single, purple, at head of stems, with hairy sepals united at base and lobes much longer than petals. Seeds poisonous to chickens. Introduced from Europe. Not very Alyssum alyssoides L. SMALL ALYSSUM An annual 4 to 12 inches high, with starry hairs. Leaves hnear-oblong to spatulate, i to i inch long. Flowers in narrow racemes, -^ inch across, creamy-white. Pods almost round, yellowish, with a narro
. Common weeds of the Canadian Prairies;. Weeds. Agrostemma githago L. PURPLE COCKLE A hairy, erect annual 1 to 2i feet high, with a taproot. Leaves linear, hairy, to 4 inches long. Flowers single, purple, at head of stems, with hairy sepals united at base and lobes much longer than petals. Seeds poisonous to chickens. Introduced from Europe. Not very Alyssum alyssoides L. SMALL ALYSSUM An annual 4 to 12 inches high, with starry hairs. Leaves hnear-oblong to spatulate, i to i inch long. Flowers in narrow racemes, -^ inch across, creamy-white. Pods almost round, yellowish, with a narrow flat margin. Not very common. Amaranthus albus L. TUMBLEWEED A bushy annual with white, much-branched stems, up to 2 feet high. Leaves dull, spatulate, midvein usually extended into a tiny spine. Flowers in small leaf-axil clusters. A common native weed of waste ground and roadsides. When dry, it breaks off and tumbles with the wind. 21. 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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