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 5. Ranunculus pusillus Poir. Low Spearwort. Fig. 1899. R. tiisilltis Poir. in Lam. Encycl. 6: 99. 1804. Annual, slender, weak, glabrous, branching, 6'-i8' long. Leaves entire or denticulate, the lower oblong or ovate, sometimes cordate, on long petioles, the upper narrower, lanceolate or linear, short-petioled or sessile; flowers yel- low, 2'
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 5. Ranunculus pusillus Poir. Low Spearwort. Fig. 1899. R. tiisilltis Poir. in Lam. Encycl. 6: 99. 1804. Annual, slender, weak, glabrous, branching, 6'-i8' long. Leaves entire or denticulate, the lower oblong or ovate, sometimes cordate, on long petioles, the upper narrower, lanceolate or linear, short-petioled or sessile; flowers yel- low, 2'-3' broad, the petals few, often barely exceeding the sepals; stamens i-io; head of fruit globose, 2' broad; achenes beakless, merely tipped by the very short persistent style-base. Marshes, southern New York and New Jersey near the coast, southeastern Pennsylvania, south to Florida and west through the Gulf States to Texas, north to Tennessee and Missouri. Dwarf crowfoot. April-July. 4. Ranunculus lapponicus L. Lap- latid Buttercup. Fig. 1898. 11: 17. 1886. Scapose from running rootstocks, 3-6' high. Basal leaves long-petioled, the blade I'-ii' broad, reniform, 3-parted, the divi- sions broadly obovate, cuneate, obtuse, crenate or lobed; scape l-flow^ered, slender, longer than the leaves, occasionally bearing a single deeply lobed leaf; flower 3'-5' broad, yellow; petals 5-6, veined with orange; sepals generally fewer and re- flexed ; head of fruit globose, 6' broad; achenes flattened, ovate, gradually narrowed into a slender hooked beak. In bogs, Greenland and Labrador to Alaska, south to northern Minnesota. Northern Eu- rope and Siberia. Summer.
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