. 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 . I. Eranthis hyemalis (L.) Salisb. Winter Aconite or Hellebore. Fig. 1858. Helleborus hyemalis L. Sp. PI. 557. 1753. Eranthis hyemalis Salisb. Trans. Linn. Soc. 8 : 304. 1803. Cammarum hyemale Greene, Pittonia 3: 152. 1897. Erect, simple, s'-8' high from a tuberous-thick- ened rootstock; roots fibrous. Basal leaves long- petioled, ij' broad, divided and cleft into numerous li
. 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 . I. Eranthis hyemalis (L.) Salisb. Winter Aconite or Hellebore. Fig. 1858. Helleborus hyemalis L. Sp. PI. 557. 1753. Eranthis hyemalis Salisb. Trans. Linn. Soc. 8 : 304. 1803. Cammarum hyemale Greene, Pittonia 3: 152. 1897. Erect, simple, s'-8' high from a tuberous-thick- ened rootstock; roots fibrous. Basal leaves long- petioled, ij' broad, divided and cleft into numerous linear or oblong lobes; cauline leaf similar, invo- lucrate, sessile, clasping; flower solitary, ij' wide, sessile; sepals 5-9, membranous, obovate, obtuse, occasionally lobed; petals several, clawed, 2-lipped; stamens numerous; filaments filiform; anthers ob- long, obtuse ; carpels several, stipitate ; follicles com- pressed, 5" long, tipped with a sharp beak. Naturalized from Europe at Bartram's Garden, Phila- delphia, and at Media, Pa. Wolf's-bane. Christmas- flower. February. 6. COPTIS Salisb. Trans. Linn. Soc. 8: 305. 1803. Low herbs, with slender perennial rootstocks, basal compound or divided leaves, and scapose white flowers. Sepals 5-7, petaloid, deciduous; petals 5-7, small, linear, cucullate. Stamens numerous. Carpels stipitate, few, in fruit forming an umbel of follicles. [Name from the Greek, referring to the cut or divided leaves.] A genus of about 9 species, inhabiting the cooler portions of the north temperate zone. In ; found on the Pacific Coast of North America. Type I. Coptistrifolia (L.) Salisb. Gold-thread. Fig. 1859. Helleborus trifalius L. Sp. PI. Ed. 2. 784. 1762. Coptis trifolia Salisb. Trans. Linn. Soc. 8: 305. 1803. Isopyrum trifolium Britton, Bull. Torr. Club 18: 265. 1891. Tufted, glabrous, 3'-6' high from a slender or filiform yellow bitter rootstock. Leaves all basal, evergreen, long-petioled, the blade reni- form, 1-2' broad, 3-divided; petio
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
