. 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. CROWFOOT FAMILY. I. Isopyrum biternatum (Raf.) T. & G. False Rue Anemone. Fig. i860. Enemion biternatum Raf. Journ. Phys. 91 : 70. 1820. /. biternatum T. & G. Fl. N. A. i : 660. 1840. Slender, erect, paniculately branching above; roots fibrous and sometimes tuberiferous. Basal leaves long-petioled, biternate, thin, the ultimate segments broadly o
. 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. CROWFOOT FAMILY. I. Isopyrum biternatum (Raf.) T. & G. False Rue Anemone. Fig. i860. Enemion biternatum Raf. Journ. Phys. 91 : 70. 1820. /. biternatum T. & G. Fl. N. A. i : 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, $"-9" broad; sepals S, 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 flowers. Sepals 5, petaloid, deciduous. Petals 5, smaller than the sepals, unguiculate, con- cave, 2-lobed. Stamens S 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. X. apiifolia L'Her. Stirp. Nov. 79. 1784. Xantlwi-rhica 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 s'-6' long, slender- petioled; leaflets S, thin, I'-f long, incisely toothed, cleft or divided, sessile, ovate or oblong, acute, cu
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
