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; 2nd ed. . 6. SAXIFRAGA [Totirn.] L. Sp. PI. 398. herbs, with flowering stems arising from the small rootstocks and alternate,entire or 3-7-lobed leaves. The flowers solitary or in terminal cymes, rarely represented bybulblets. Calyx-lobes 5, erect, usually with a terminal gland. Corolla white, regular, thepetals somewhat narrowed at the base, but usually clawless
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; 2nd ed. . 6. SAXIFRAGA [Totirn.] L. Sp. PI. 398. herbs, with flowering stems arising from the small rootstocks and alternate,entire or 3-7-lobed leaves. The flowers solitary or in terminal cymes, rarely represented bybulblets. Calyx-lobes 5, erect, usually with a terminal gland. Corolla white, regular, thepetals somewhat narrowed at the base, but usually clawless. Stamens 10; filaments about one-half inferior, the carpels united to about the middle. Follicles well united,erect, except the more or less spreading tips, partly included in the calyx-tube. [Greek,stone-breaking, from reputed medicinal qualities.] .•\bout 20 species, most abundant in the cooler parts of the northern hemisphere. Type species:Saxifraga granulala L. Flowers below the terminal nodding flower replaced by bulblets: petals 4-5 long. i. Flowers not replaced l)y Imlhlcts ; petals about 2 long. 2. S. rivularis. SAXIFRAGACEAE. Vol. I. Saxifraga cernua L. Nodding or DroopingBulbous Saxifrage. Fig. 2166. cernua L. Sp. PI. 403. 1753. Stem weak, slender, ascending, pubescent but scarcelyglutinous, 4-i2 long. Leaves alternate, the basal and lowerones petioled, broadly reniform, palmately S-7-lobed, usuallyless than l wide; upper leaves smaller, sessile, 3-iobed orentire and bract-like, often bearing small bulblets in tbeiraxils; flowers 1-3, terminal, nodding, white, 8-io broad;petals obovate. sometimes retuse, 3-4 times as long as theovate calyx-lobes. Newfoundland. Labrador, .and through arctic America toAlaska. Also in arctic and alpine Europe and Asia. Summer. 2. Saxifraga rivularis L. Alpine Brook 2167. Saxifraga rivularis L. Sp. PI. 404, 1/53- Densely tufted, glabrous or sparingly pubescent, matted,l-3 high. Le
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
