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 . ed2illustratedflo02brit Year: 1913 8. SAXil-'RAGE FAMILY. 223 8. CHONDROSEA Haw. Saxifr. Enum. 10. 1821. Perennial herbs, with densely leafy short caudices and offsets and sparingly leafy flower-stems, and alternate serrate leaves with each tooth white-encrusted, the flowers in terminal compoimd cymes. Calyx-lobes 5, erect. Corolla white or sometimes colored, regular, t
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 . ed2illustratedflo02brit Year: 1913 8. SAXil-'RAGE FAMILY. 223 8. CHONDROSEA Haw. Saxifr. Enum. 10. 1821. Perennial herbs, with densely leafy short caudices and offsets and sparingly leafy flower-stems, and alternate serrate leaves with each tooth white-encrusted, the flowers in terminal compoimd cymes. Calyx-lobes 5, erect. Corolla white or sometimes colored, regular, the petals broad, clawless. Stamens lo; filaments lanceolate to lanceolate-subulate. Ovary about one-half inferior, the carpels united to above the middle. Follicles united up to the more or less spreading tips. [Greek, referring to the texture of the leaves.] .â \bout 9 species, most abundant in the mountains of middle Europe. Type species : Chondrosea pyramidalis Haw. I. Chondrosea Aizoon (Jacq.) Haw. Livelong Saxifrage. Fig. 2169. pi. 43S. 1778. II 1821. Leaves clustered in a dense rosette at the base of. the bracted flowering stem; plant spreading by offsets, so that several are often joined together. Leaves 4'-i2' long, spatulate, thick, obtuse and rounded at the apex, the margins serrulate with sharp hard white teeth; scape erect, viscid-pubescent, 4-10' high; flowers several or numerous, corymbose, yellowish, about 3' broad; calyx- lobes ovate-oblong, obtuse, viscid, shorter than the obo- vate, often spotted petals; capsule tipped by the divergent styles, its base adnate to the calyx. On dr>- rocks. Mt. Mansfield. Vermont; Quebec to Labra- dor, west to Lake Superior and Manitoba. Also in alpine and arctic Europe. Summer. 9. THEROFON Raf. Xew Fl. X. A. 4: 66. 1836. [BoYKiNiA Xutt. Journ. Acad. Phila. 7 : ii3- 1834- Not Raf.] Glandular-pubescent perennial herbs, with alternate peti- oled orbicular or renifonn leaves, and small white perfect flowers in branching panicles
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