. Common weeds of Canada [microform] : a pocket guide. Weeds; Mauvaises herbes, Lutte contre les; Weeds; Mauvaises herbes. XOXIOUS WHEIIS l\ II ESTENX CAXAPA 123 conspicuous nature of I he seed or j)(k1 which, be cause it so closely resembles a small particle of earth, is overlooked in seed j^rain. PHNNVCRIvSS, OR vSTlXKWHED. Tldasfii arvcusc, (L). â J fi'i'l, with hranclies jiid chis])inj;. iirrow- Root.âI-onj;, tap-root. luict, 1 above. Indivified radical leaves, slunR'd stt'tii leaves, which are nu- iiierous early in the season; leaves dark-green. Flowers.â White,small, with


. Common weeds of Canada [microform] : a pocket guide. Weeds; Mauvaises herbes, Lutte contre les; Weeds; Mauvaises herbes. XOXIOUS WHEIIS l\ II ESTENX CAXAPA 123 conspicuous nature of I he seed or j)(k1 which, be cause it so closely resembles a small particle of earth, is overlooked in seed j^rain. PHNNVCRIvSS, OR vSTlXKWHED. Tldasfii arvcusc, (L). â J fi'i'l, with hranclies jiid chis])inj;. iirrow- Root.âI-onj;, tap-root. luict, 1 above. Indivified radical leaves, slunR'd stt'tii leaves, which are nu- iiierous early in the season; leaves dark-green. Flowers.â White,small, with spreadinfj llower-stalk; i)arts of llower as in Wild Mustard. ()rl)iciilar|)od, '4 inch broad, (|uile llat with a broad wing, notclied at the to]). Ivich pod ])roduees about 12 seeds. Seeds.â Dark red- dish-brown, small, about ,'â inch lonj(, irregularly oval and thickly llattened, S-14 concentric grooves on each side of seed. Average plant produces 21),tMIU seeds. Duration. Annual and winter annual. Flow- October. Seeding. JuneâOctober. Propagation. Hy seeds. Chielly by winds. Eradication. - Thorough cultiva- tion: mow, and burn mature plants. Pctmycrcss isnot common in the Maritime Provinces, hut is a great pest hi the .North- west and Manitoba. It has been introduced from luirope. The plant has a peculiar odor, resembling that of garlic. When the plant is eaten by milch cows a disagreeable llavor is imparted lo "the milk. The seeds have a very pungent taste. FLAX. Caiiu'lina sativa, (Crantz). Root. I'ibrous. Stem. Straight, erect, l)ranching, 2-:i feet high, ilowny. Leaves. Alicniate without stipules, lower leaves long with a iietiole; upper leaves clasping stem with arrow- shajjcd bases;downy. Flowers. Yellow, Kineh, numerous,some- what incons'icuous: in racemes. I'ear-slia|)ed or globular. I'i;nnvcress. or Stinkw 1:1:1 Thlaspi arViiiM-. Please note that these images are extracted from scanned page images tha


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1910