An illustrated flora of the 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 Ge> SAXIFRAGE FAMILY. 4. Micranthes pennsylvanica (L.) Haw. Pennsylvania or Swamp Saxifrage. Fig. 2159. S. pennsylvanica L. Sp. PI. 399. 1753. Saxifraga Forbesii V'asey, Am. Entom. &; Bot. .^niuii/t'aiiica Haw. Saxifr. Enum. 45. 1821. Scape stout, terete, viscid-pubescent, i°-3i° high, bracted at the infloresc
An illustrated flora of the 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 Ge> SAXIFRAGE FAMILY. 4. Micranthes pennsylvanica (L.) Haw. Pennsylvania or Swamp Saxifrage. Fig. 2159. S. pennsylvanica L. Sp. PI. 399. 1753. Saxifraga Forbesii V'asey, Am. Entom. &; Bot. .^niuii/t'aiiica Haw. Saxifr. Enum. 45. 1821. Scape stout, terete, viscid-pubescent, i°-3i° high, bracted at the inflorescence. Leaves large, oval, ovate, obovate or ob- lanceolate, pubescent or glabrate, 4-10' long, i*'-3' wide, obtuse at the apex, nar- rowed at the base into a broad petiole, the margins denticulate or repand; cymes in an elongated open panicle; flowers greenish, regular, lj'-2i' broad; calj'x-tube nearly free from the ovary, its lobes ovate, ob- tusish. reflexed. one-half shorter than the lanceolate or linear-lanceolate petals; fila- ments subulate or filiform; follicles ovoid, their tips divergent when mature. Swamps and wet banks, Maine to Ontario, Minnesota, Virginia, Iowa and Missouri. May. 6. Micranthes caroliniana (A. Gray) Small. Gray's Fig. 2161. Saxifraga caroliniana A. Gray, Mem. Am. Acad. 3: 39. 1846. Saxifraga Grayana Britton, Mem. Torr. Club 5: 178. 1894. A/.faro/i«ia«a Small, X. 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, 1-5' 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 adnate to the ovary, its segments ovate- oblong, reflexed, obtuse; petals ovate or oblong-ovate, obtuse, 2-5potted, narrowed into a slender claw; filaments club-shaped; follicles oblo
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