. 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 . 25. SIEVERSIA Willd. Mag. Gesell. Naturfr. Berlin 5: 397. 1811. Mostly low perennial herbs, with odd-pinnate leaves. Flowers in cymes, or solitary, yellow or purplish. Calyx obconic or hemispheric, 5-lobed and generally 5-bracteolate. Petals 5. Stamens numerous; filaments filiform. Carpels many, on a short hemispheric receptacle. Style terminal, persistent, filiform, pubesce

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. 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 . 25. SIEVERSIA Willd. Mag. Gesell. Naturfr. Berlin 5: 397. 1811. Mostly low perennial herbs, with odd-pinnate leaves. Flowers in cymes, or solitary, yellow or purplish. Calyx obconic or hemispheric, 5-lobed and generally 5-bracteolate. Petals 5. Stamens numerous; filaments filiform. Carpels many, on a short hemispheric receptacle. Style terminal, persistent, filiform, pubescent or plumose, not jointed, generally elongating in fruit. Seeds erect, basal. [Named in honor of Sievers.] About 15 species of temperate alpine or arctic regions; besides the following five or six others occur in western and arctic North America. Type species: Dryas anemonoides Pall. one of the basal leaves orbicular-r eate ; style plumose throughout ; flowe iform ; style plun light purple. below ; flowers 1. S.Pcckii. 2. S. ciliata. I. Sieversia Peckii (Pursh ) Rvdb. Yellow Mountain Avens. Geum Peckii Pursh. Fl. Am. Sept. 352. 1814. Gettm radialum var. Peckii A. Gray, Man. Ed. 2, 117. 1856. Sieversia Peckii Rydb. in Britton. Man. 508. 1901. Sparingly pubescent or glabrate, stem 6'-2° high, erect, simple, i-8-flowered at the summit. Basal leaves tufted, petioled, lyrately pinnate, the terminal segment very large, reniform-orbicular, sharply and irregularly dentate and slightly 3-5-lobed, 3-6' broad; lateral leaflets few or none; flowers yellow, 6"-i2" broad; bractlets of the calyx much shorter than the erect lanceolate calyx- lobes; petals obovate, often emarginate, spreading; style filiform, plumose below, naked above, 6"-8" long, not jointed. jf New Hampshire : Mt. Kineo. Maine. Sieversia radiata (Michx.) Greene, of the high moun- tains of North Carolina, to which this was referred in our first edition, differs in being hirsute-pubescent with spread- ing