. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. POLYGONACEAE. Vol. I. 12. Polygonum triangulum Bicknell. Missouri Knotweed. Fig. 1626. Annual, bright green or somewhat yellowish-tinged, similar to P. ramosissimum in habit, but smaller, stem rather sparingly branched, usually 2°-4° tall. Leaves mostly oblong or elliptic or slightly broadened up- ward, 4"-i4" long, acute, rather persistent; ocreae be
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. POLYGONACEAE. Vol. I. 12. Polygonum triangulum Bicknell. Missouri Knotweed. Fig. 1626. Annual, bright green or somewhat yellowish-tinged, similar to P. ramosissimum in habit, but smaller, stem rather sparingly branched, usually 2°-4° tall. Leaves mostly oblong or elliptic or slightly broadened up- ward, 4"-i4" long, acute, rather persistent; ocreae becoming very much lacerate; flowers sparingly clus- tered, short-pedicelled; sepals mostly 5, yellowish- margined, ¥'-¥' long; stamens mostly 5; achene 3-angled, acute, about 1" long, broadly ovoid. Common near Atherton, Missouri. 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 Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. New York, Scribner
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
