. Weeds and weed seeds illustrated and described [microform]. Weeds; Mauvaises herbes; Mauvaises herbes; Weeds. White Evening Primrose ((knothra pallida ) is a native perennial occurring in Manitoba and westward to IJritish Columbia. It is deep-rooted and very persistent in sandy land. The roots are white and fleshy, wide-spreading and throw- ing up flowering stems at intervals, thus forming large patches. Stems mostly simple, shining white, sparsely downy above, erect or nearly so, about A feet high. Leaves from I to 4 inches long, narrow and waved, .sometimes pinnatifid but usually wi
. Weeds and weed seeds illustrated and described [microform]. Weeds; Mauvaises herbes; Mauvaises herbes; Weeds. White Evening Primrose ((knothra pallida ) is a native perennial occurring in Manitoba and westward to IJritish Columbia. It is deep-rooted and very persistent in sandy land. The roots are white and fleshy, wide-spreading and throw- ing up flowering stems at intervals, thus forming large patches. Stems mostly simple, shining white, sparsely downy above, erect or nearly so, about A feet high. Leaves from I to 4 inches long, narrow and waved, .sometimes pinnatifid but usually without teeth or divisions in plants found in the West. Mowers , large and handsome, IJ inches across, waxy-white, turning pinkish as they fade, open in day time, odour unpleasant. Tips of the calyx divisions at the ends of the buds free, as 4 little points. Capsules narrow and curved, 4-angle(l. about 1 inch long with the seeds in single f the four ceils. The s» d is about ,'« of lui inch long, normally iU rows in eai'h. ;^^f r-^^^t^ spindle-shaped but angular and somewhat twisted by (i(in in the pod smooth and mucilaginous when soaked, ; under minutely dotted with black anil faintly .striate lengthwise; not found in com- mercial samples, Kniiltcalion. Plow an<l summer-fallow after hay crop,. 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 Clark, George H. (George Harold), b. 1872; Canada. Dept. of Agriculture. Seed Branch. Ottawa : Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1914
