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; 2nd ed. . the upper sessile or short-petioled, similaror with truncate bases, all crenate or dentate; flow-ers yellow, 6-9 wide, solitary or 2-3 together;sepals oval; achenes 4-10, about 4 long, com-pressed. In cold shaded mountain springs, Pocono plateau ofPennsylvania and northern New Jersey to Marylandand recorded from New York. Strikingly differentfrom the preceding in habi
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; 2nd ed. . the upper sessile or short-petioled, similaror with truncate bases, all crenate or dentate; flow-ers yellow, 6-9 wide, solitary or 2-3 together;sepals oval; achenes 4-10, about 4 long, com-pressed. In cold shaded mountain springs, Pocono plateau ofPennsylvania and northern New Jersey to Marylandand recorded from New York. Strikingly differentfrom the preceding in habit and appearance. June-July. 3. Caltha natans Pall. Floating IMarsh-marigold. Fig. 1855. Caltha natans Pall. Reise Russ. 3: 284. 1776. Stems slender, floating or creeping in wet places,rooting at the nodes, 6-i8 long, branching. Lowerand basal leaves slender-petioled, cordate-reniform,i-2 wide, crenate or entire, thin, cordate with anarrow sinus; upper leaves short-petioled, smaller;flowers white or pink, 5-9 broad; sepals oval, ob-tusish; follicles several or numerous, rather denselycapitate, about 2 long, the beak short and straight. In pools and streams. Tower. Mich., Athabasca, arcticAmerica and northern Asia. 3. TROLLIUS L. Sp. PI. 556. 1753. Erect or ascending perennial herbs, with palmately divided or lobed leaves, thickenedfibrous roots, and large usually solitary yellowish, white, or purplish flowers. Sepals , deciduous. Petals 5-°°, small, unguiculate, linear, with a nectariferous pit at thebase of the blade. Carpels 5-<=o, sessile, many-ovuled. forming a head of follicles in numerous. [Old German, trol, something round.] About 12 species, mainly inhabiting marshy places, natives of the north temperate zone. Besidesthe following, another occurs in western North America. Type species: Trolliiis emcfaeus L. Genus 3. CROWFOOT FAMILY Trollius laxus Salisb. American Globeflower. Fig. 1856. Muhl. Trans. Amer, Trollius american 172, n
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
