. Weeds and weed seeds illustrated and described [microform]. Weeds; Mauvaises herbes; Mauvaises herbes; Weeds. VvifeT^p.:^^ i> .'^"â¢'''»."S Mustard (Sisymbrium olti,ssimum L).âInfo 1 rairu' Provinces from central anil southern Europe about 1887 \nnu-il sometimes winter annual; 2 to 4 feet high, stem branching, the lower part and the root leaves downy and glandular, with a muskv odour- upper part of the stem and the much divided leaves smooth. The young plants form a rosette of soft, pale green, downy leaves, shaped much like those of the dandelion. On the flowering plants the l
. Weeds and weed seeds illustrated and described [microform]. Weeds; Mauvaises herbes; Mauvaises herbes; Weeds. VvifeT^p.:^^ i> .'^"â¢'''»."S Mustard (Sisymbrium olti,ssimum L).âInfo 1 rairu' Provinces from central anil southern Europe about 1887 \nnu-il sometimes winter annual; 2 to 4 feet high, stem branching, the lower part and the root leaves downy and glandular, with a muskv odour- upper part of the stem and the much divided leaves smooth. The young plants form a rosette of soft, pale green, downy leaves, shaped much like those of the dandelion. On the flowering plants the leavi-s change very much in shape from the root n\), no two being alike. Flowers pale yellow, I inch â diameter. Se<'<l pods 2 to 4 inches long, very slender and produced abiin- n the seeds are rii)e the whole head of tin- plant breaks off and is blown acm-s the i)rairie, scattering the seeds far ami wide' J he seeds, as in many "tumbling w Is," aiv not e:,silv shed from the touuh nods- <;onse<, a of this weed may blow about th.'. prai ie f a v ' e ' .lrop,,ing .a few at intervals for manv miles. It occurs in grai id I nd along rc.,dsâ The ,. small, ^ of an inch long, oh ve bro v, , ^ :.ni" n'^rX' It Vhr'"' ;''"â ' "'"' """â "='«;"""^ -1-"'^. "'-l"n»J, angular'... off (rseh at the scar end, sometim.'s almost s,|uare from compression in the ,/âr,/.s- Caroh, 'ed from llurope and now spreading rapHllyin, he clover s 1 producing .listricts of Ontario. i 'n objectionabh. weed along , waste places and old . .Mrasionally givs trouble in cultivated Hi.'nnial, with a large succulent root. Stems flowers and leaves as in .'airot. The fruit when npe separates into two s |-i,ke halves, seeds, .'acli having .") ,ii,,us ribs running .â¢ngthwise ,md 4 win
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1914
