. 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 102d meridian. Botany; Botany. 5. Micranthes micranthidifolia (Haw.) SmalL Lettuce Saxifrage. Fig. 2160. Rohertsonia micranthidifolia Haw. Syn. PI. Succ. 322. 1812. Saxifraga erosa Pursh, FI. Am. Sept. 311. 1814. 5. micranthidifolia Prel. Cat. N. Y. 17. 1888. M. micranthidifolia Small, Fl. SE. U. S. 501. 1903. Scape rather slender, more or less viscid, i°-3° high, bracted above. Leave
. 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 102d meridian. Botany; Botany. 5. Micranthes micranthidifolia (Haw.) SmalL Lettuce Saxifrage. Fig. 2160. Rohertsonia micranthidifolia Haw. Syn. PI. Succ. 322. 1812. Saxifraga erosa Pursh, FI. Am. Sept. 311. 1814. 5. micranthidifolia Prel. Cat. N. Y. 17. 1888. M. micranthidifolia Small, Fl. SE. U. S. 501. 1903. Scape rather slender, more or less viscid, i°-3° high, bracted above. Leaves oblanceo- late or oval, sometimes 1° long, obtuse at the apex, tapering downward into a long margined petiole, coarsely and sharply den- tate ; panicle loose, elongated; flowers white, regular, 2"-^" broad; calyx-lobes reflexed, slightly shorter than the oval or oblong ob- tuse petals; calyx-tube free from the ovary; filaments club-shaped; follicles lanceolate, sharp-pointed, 2"-3" long, their tips at length divergent. In cold brooks, Bethlehem, Pa., south along the mountains to North Carolina. May-June. 6. Micranthes caroliniana (A. Gray) Small. Gray's Saxifrage. Fig. 2161. Saxifraga caroliniana A, Gray, Mem. Am. Acad. 3: 39. 1846. Saxifraga Grayana Britton, Mem. Torr. Club 5: 178. 1894. JW. caro/iniana Small, N. A. Flora 22^=: 146. 1905. Glandular-pilose all over, scapose from a corm-like rootstock, scape 6'-i8' tall. Basal leaves clustered, oblong, oval or nearly orbicular, I'-s' long, crenate-den- tate, narrowed into margined petioles, mostly shorter than the blade and dilated at the base; inflorescence cymose-panicu- late, ample; bracts spatulate or lanceolate; flowers white, 4"-5" broad; calyx-tube adnata to the ovary, its segments ovate- oblong, reflexed, obtuse; petals ovate or oblong-ovate, obtuse, 2-spotted, narrowed into a slender claw; filaments club-shaped; follicles oblong, 2"-3" long, united only at the base, diverging
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
