An illustrated flora of the 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 CROWFOOT FAMILY. 19. Ranunculus sceleratus L. Celery-leaved Crowfoot. Fig. 1913. Ranunculus sceleratus L. Sp. PI. 551. 1753. R, eremogenes Greene, Erythea 4: 121. 1896. Stout, glabrous, or nearly so, 6-2° high, freely branching, stem hollow, sometimes li' thick. Basal leaves thick, 3-5-lobed, on long and broad pet
An illustrated flora of the 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 CROWFOOT FAMILY. 19. Ranunculus sceleratus L. Celery-leaved Crowfoot. Fig. 1913. Ranunculus sceleratus L. Sp. PI. 551. 1753. R, eremogenes Greene, Erythea 4: 121. 1896. Stout, glabrous, or nearly so, 6-2° high, freely branching, stem hollow, sometimes li' thick. Basal leaves thick, 3-5-lobed, on long and broad petioles, the blade 1-2' broad, reni- form or cordate, those of the stem petioled or the upper sessile, deeply lobed or divided, the lobes obtuse, cimeate-oblong or linear, several- toothed or entire; flowers yellow, numerous, 3'-4' broad, the petals about equalling the calyx; head of fruit oblong or cylindric, 4'-^' long; achenes i' long, very numerous, merely apiculate. In swamps and wet ditches. New Brunswick to Florida, abundant along the coast, and locally westward to Xorth Dakota, Kansas and Nebraska, extending to Alberta, Xew Mexico and Califor- nia, preferring saline or alkaline situations. Also in Europe and Asia. Ditch- or marsh-crowfoot. Biting- or cursed-crowfoot. Water-celery. Blister- wort. Consists of several races. April-Aug. 20. Ranunculus recurvatus Poir. Hooked or-Rough Crowfoot. Fig. 1914. 7?. recurvatus Poir. in Lam. Encycl. 6: 125. 1804. Erect, 6-2° high, usually hirsute, branching. Leaves all petioled, broadly reniform, 2-3' wide, deeply 3-cleft, the divisions broadly cuneate, acute, toothed and lobed; flowers light yellow, 4'-5' broad, the petals shorter than or equalling the reflexed calyx; head of fruit globose, 6' wide; achenes compressed, margined, tipped with a recurved hooked beak of one-half their length. In woods, Nova Scotia_ to Manitoba, south to Florida, Alabama, Missouri and Kansas. Ascends to 4200 ft. in North Carolina. April-June.
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