. 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 . 7. CROWFOOT FAMILY, I. Isopyrum bitematum (Raf.) T. & G. False Rue Anemone. Fig. i860. Phys. 91: 70. 1820. : 660. 1840. Slender, erect, paniculately branching above; roots fibrous and sometimes tuberiferous. Basal leaves long-petioled, biternate, thin, the ultimate segments broadly obovate, obtuse, lobed or divided; upper ones similar but sessile or short-petioled;
. 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 . 7. CROWFOOT FAMILY, I. Isopyrum bitematum (Raf.) T. & G. False Rue Anemone. Fig. i860. Phys. 91: 70. 1820. : 660. 1840. Slender, erect, paniculately branching above; roots fibrous and sometimes tuberiferous. Basal leaves long-petioled, biternate, thin, the ultimate segments broadly obovate, obtuse, lobed or divided; upper ones similar but sessile or short-petioled; flowers several, terminal and axillary, white, 5"-9" broad; sepals 5, oblong or somewhat obovate, obtuse; petals none; stamens many; filaments slender, white, thick- ened above; carpels few; follicles widely spreading, ovate, 2" long, several-seeded, tipped with a beak nearly one-half their length. In moist woods and thickets, Ontario to Minnesota, Kansas, Florida and Texas. May. 8. XANTHORRHIZA L'Her. Stirp. Nov. 79. 1784. A low shrubby plant, with pinnate or bipinnate leaves, and small compoundly racemose flo\vers. Sepals 5, petaloid, deciduous. Petals 5, smaller than the sepals, unguiculate, con- cave, 2-lobed. Stamens 5 or 10. Carpels 5-15, sessile, 2-ovuled, forming i-seeded follicles at maturity by the suppression of one of the ovules; styles short, at length dorsal. [Greek, yellow root.] A monotypic genus of eastern North America. I. Xanthorrhiza apiifolia L'Her. Shrub Yellow-root. Fig. 1861. A', apiifolia L'Her. Stirp. Nov. 79.' 17S4. Xanlhorrltica simplicissima Marsh. Arb. Amer. 168. 1785. Glabrate, I°-2° high, the bark and long roots yellow and bitter. Leaves pinnate or sometimes bipinnate, clustered at the summit of the short stem, the blade 5'-6' long, slender- petioled; leaflets 5, thin, 1-3' long, incisely toothed, cleft or divided, sessile, ovate or oblong, acute, cuneate, shining; branches of the raceme or panicle slender, drooping, 2-3' long;
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
