. 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. Genus 3. CROWFOOT I. Trollius laxus Salisb. American Globe- flower. Fig. 1856. Trollius americanus Muhl. Trans. Amer. Phil. Soc. 3: 172, name only. 1791. Trollius laxus Salisb. Trans. Linn. Soc. 8: 303. 1803. Stems slender, weak, ascending, i°-2° long. Leaves all but the upper petioled (the lower peti- oles sometimes a foot long), palmately S-7-parted,
. 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. Genus 3. CROWFOOT I. Trollius laxus Salisb. American Globe- flower. Fig. 1856. Trollius americanus Muhl. Trans. Amer. Phil. Soc. 3: 172, name only. 1791. Trollius laxus Salisb. Trans. Linn. Soc. 8: 303. 1803. Stems slender, weak, ascending, i°-2° long. Leaves all but the upper petioled (the lower peti- oles sometimes a foot long), palmately S-7-parted, 2-4' wide, the segments obovate, cuneate, lobed, cleft or toothed; flowers generally solitary, iV broad; sepals 5-7, ovate or obovate, obtuse, yellowish-green, spreading; petals 15-25, minute, much shorter than the numerous stamens; filaments filiform; anthers linear, i" long; head of fruit nearly an inch broad, the follicles 4" long, each tipped with a straight subulate beak of one-fourth its length. In swamps, New Hampshire (?), Connecticut to Dela- ware, west to Michigan. May-July. T. albiflorus (A. Gray) Rydb., of the Rocky Mountain region, differs in having white sepals. 4. HELLEBORUS [Tourn.] L. Sp. PL 557. 1753. Erect perennial herbs, with large palmately divided leaves, the basal long-petioled the upper sessile and sometimes reduced to bracts. Flowers large, white, greenish or yellowish Sepals 5, broad, petaloid, mainly persistent. Petals 8-10, small, unguiculate, tubular. Sta- mens 00. Carpels generally few, sessile, in fruit forming several-seeded capsules, which are dehiscent at the apex at maturity. [The classical name for H. oricntalis; derivation unknown.] A genus of coarse herbs, comprising about 15 species, natives of Europe and western Asia 1 ype species ; Helleborus niger L. I. Helleborus viridis L. Green Helle- bore. Fig. 1857. Helleborus viridis L. Sp. PI. 558. 1753. Stout, erect, i°-2° high, glabrous. Basal leaves 8'-i2' broad, on petioles 6'
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
