. 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. Botany. 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&qu
. 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. Botany. 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
