. Common weeds of Canada [microform] : a pocket guide. Weeds; Mauvaises herbes, Lutte contre les; Weeds; Mauvaises herbes. 28 COMMON WEEDS OF CANADA Group No. 3 -Buckwheat Family. KNOTGRASS, (JR DOOR-WEED. Polygonum aviculare, (h). ir,r^T!'~^'^?''^- and spreading. 12 inches long , sessile, lanceolate or ol/'o, stipules m the form of membranous sheaths. Flowers , «;.i" ''""''!;^ ""I"^^ ^^^ ^^^'"s- Fruitâ3-sided di ;. -,rhe. nn 1'-~^?'^"'?''' â ^'f^^'^' dull-brownish color. Dura^on A nual. Seed
. Common weeds of Canada [microform] : a pocket guide. Weeds; Mauvaises herbes, Lutte contre les; Weeds; Mauvaises herbes. 28 COMMON WEEDS OF CANADA Group No. 3 -Buckwheat Family. KNOTGRASS, (JR DOOR-WEED. Polygonum aviculare, (h). ir,r^T!'~^'^?''^- and spreading. 12 inches long , sessile, lanceolate or ol/'o, stipules m the form of membranous sheaths. Flowers , «;.i" ''""''!;^ ""I"^^ ^^^ ^^^'"s- Fruitâ3-sided di ;. -,rhe. nn 1'-~^?'^"'?''' â ^'f^^'^' dull-brownish color. Dura^on A nual. " , a. ber seeds. car/it 1 water and winds. ^ and cultivate. Door-weed, Knotgrass, c Goosegrass, is an introduct â weed with some native form It is very common aroun dwellings, in rich lowland, an in grain and other crops. Coast Knotgrass, Polygonm maritimum, (L), is found on th sea shore. It has stout, pro; trate, glaucous stems, thick oval to oblong leaves, an( clustered flowers in the axils o the leaves. Polygonum pennsylvatiiciim (L), is found in moist soil usually in ditches or depres ,â,>r ft, 1 . , ^'""^ *" pastures. In late sum nier the plant can hardlv escape notice Its erect pmk spikes direct attention to some neglected cornel m the garden or brighten the field 'and roadside fr .it 17. r"'T "'" '^' "'^ly'^ P^'^-^i^t till after the LADY'S THUMH. Polygonum Persicaria, (L) inch^esIHgi;^"Sves--lTtV7â':^^ '"T''' ^"^"^'"^' '^'-»« a dark blotch "the m IHl. i TT'^'u' "Pl'^r surface with ciliate border Flowers-PnL 'L^^ ^h'^'^^hs with a somewhat on naked peduncles Fruir-Fla^'or â¢'' '".T'^*^""^ '^'^^^ -Hroadly^g-shaM i^^linftSthVS^HS^ tSj. Knoti;r,\s,s. or I)âor-Wkki> l'i<hv"num iiiiculari-. i\.). Please note that these images are extracted from scanned page images that may have been digitally enhanced
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1910
