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 Gexls j. crowfoot FAMILY, I. TroUius laxus Salisb. American Globe- flower. Fig. 1856. TroUius americanus Muhl. Trans. Amer. 172, name only. 1791. TroUius laxus Salisb. Trans. Linn. Soc. 8: Stems slender, weak, ascending. Leaves all but the upper petioled (the lower peti- oles sometimes a foot long), palmately 5-7-parted, 2-4' wide, the segmen
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 Gexls j. crowfoot FAMILY, I. TroUius laxus Salisb. American Globe- flower. Fig. 1856. TroUius americanus Muhl. Trans. Amer. 172, name only. 1791. TroUius laxus Salisb. Trans. Linn. Soc. 8: Stems slender, weak, ascending. Leaves all but the upper petioled (the lower peti- oles sometimes a foot long), palmately 5-7-parted, 2-4' wide, the segments obovate, cuneate, lobed, cleft or toothed; flowers generally solitary, i-*' broad; sepals 5-7, ovate or obovate, obtuse, yellowish-green, spreading; petals 15-25, minute, much shorter than the numerous stamens; tilaments 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. \ew 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. PI. 557. 1753. Erect perennial herbs, with large palmately divided leaves, the basal long-petioled, the upper sessile and sometimes bracts. Flowers large, white, greenish or yellowish. Sepals 5, broad, petaloid, mainly persistent. Petals 8-10, small, unguiculate, tubular. Sta- mens =0. Carpels generally few, sessile, in fruit forming several-seeded capsules, which are dehiscent at the at maturity. [The classical name for H. orientalis; derivation unknown.] A genus of coarse herbs, comprising about 15 species, natives of Europe and western Asia. Type species : HeUeborus niger L. p^^:7 I. HeUeborus viridis L. Green Helle- bore. Fig. 1857. HeUeborus viridis L. Sp. PI. 558. 1753. Stout, erect, i°-2° high, glabrous. Basal leaves 8-12' broad, on petioles 6'-lo' long, palmately divid
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