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 102nd meridian ed2illustratedflo02brit Year: 1913 2. Ranunculus Purshii Richards. Pursh's Buttercup. Fig. 1896. Ranunculus Purshii Richards. Frank. Journ. 741. 1823. Ranunculus limosus Nutt.; T. & G. Fl. N. A. i: 20. 1838. Ranunculus mullifidus var. repens S. Wats. Bot. King's Exp. 8. 1871. Perennial, floating or creeping, usually pubescent at least on the younger parts, sometimes densely
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 102nd meridian ed2illustratedflo02brit Year: 1913 2. Ranunculus Purshii Richards. Pursh's Buttercup. Fig. 1896. Ranunculus Purshii Richards. Frank. Journ. 741. 1823. Ranunculus limosus Nutt.; T. & G. Fl. N. A. i: 20. 1838. Ranunculus mullifidus var. repens S. Wats. Bot. King's Exp. 8. 1871. Perennial, floating or creeping, usually pubescent at least on the younger parts, sometimes densely so; stems slender, often rooting from the lower nodes, 2'-' long. Leaves slender-petioled, orbicular or reniform in outline, i'-i' wide, palmately divided nearly to the base into obtuse lobes or segments; flowers yellow, long-peduncled, 2'-y' broad; sepals spreading, ovate, obtusish, early deciduous; petals about 5; head of fruit subglobose or ovoid-oblong, obtuse, 2'-3' long; achenes little compressed, smooth, not margined, ¥' long, acutish on the back, abruptly tipped with a slender style of about one- third their length. il. Nova Scotia to Alaska, Michigan. In Dako and Utah. July-Aug. the Rocky Mount Me 3. Ranunculus hyperboreus Rottb. Arctic Buttercup Ranunculus hyperboreus Rottb. Skrift. Kjoeb. Selsk. 10: 458. 1770. Stem slender, glabrous, filiform, creeping, 2'-6' long. Leaves petioled, 3-lobed or cleft, broadly ovate, 2'-s' broad, 2'-4' long, obtuse, the base cuneate or rounded, the lobes oblong, ob- tuse, the lateral ones sometimes toothed; petioles sheathing and biauriculate; flowers few, 2'-^' broad, yellow; petals slightly shorter than the reflexed sepals; peduncles 4'-6' long; head of fruit globose, 2' broad; achenes slightly compressed, with a minute blunt point. America, Iceland, northern Europe and
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