. 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 . Crocanthemum majus (L.) Britton. Frostweed. Fig. 2909. Hoary Lecliea major L. Sp. PI. go. 1753. Heliaiithemum majus Prel. Cat. N V. 6. 1888. Halimium majus Crasser, Pflanzenreich 14: 50. :903. Hoary-canescent, stems erect, i°-2° high, at first simple, later with numerous short ascending branches. Leaves oblong-lanceolate or oblanceolate, acute or ob- tuse, 8"-l8&
. 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 . Crocanthemum majus (L.) Britton. Frostweed. Fig. 2909. Hoary Lecliea major L. Sp. PI. go. 1753. Heliaiithemum majus Prel. Cat. N V. 6. 1888. Halimium majus Crasser, Pflanzenreich 14: 50. :903. Hoary-canescent, stems erect, i°-2° high, at first simple, later with numerous short ascending branches. Leaves oblong-lanceolate or oblanceolate, acute or ob- tuse, 8"-l8" long, stellate-canescent beneath, darker above, short-petioled; petaliferous flowers 5-12 in a terminal cymose raceme, their corollas 7"-i2' broad, light yellow, their sepals densely canescent, the outer nearly as long as the inner, their capsules ovoid, ii"-2" long, little if at all overtopped by the later axillary branches; apetalous flowers appearing later, minute, clustered in the axils, nearly sessile, their capsules l"-i2" in diameter; seeds evenly reticulated. In dry soil. Nova Scotia to Ontario, South Dakota, Ne- braska, Colorado, South Carolina and Texas. Rock-rose. Petaliferous flowers June-July. Helianthemum georgianum Chapm. {H. propinquum Bicknell) differs in being lower, usually with more numerous stems, the longer-pedicelled petaliferous flc bose, and ranges north from the Southern States into souther vers short-racemose or subcorym- New Jersey and Long Island. 2. Crocanthemum canadense (L.) Britton. Long-branched Frostweed. Scrofula- plant. Rock-rose. Frost-wort. Fig. 2910. Cistus canadensis L. Sp. PI. 526. 1753. Helianthemum canadense Michx. Fl. Bor. 1: 308. 1803. Halimium canadense Crasser, Pflanzenreich 14: 51. 1903. Puberulent-canescent, erect, ascending, or sometimes diffuse, 3'-2° high, stem at first simple, later with slender elongated branch- es. Leaves oblong, linear-oblong or oblan- ceolate, nearly sessile, 6&quo
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
