. 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 . 9. DERINGA Adans. Fam. PI. 2: 498. 1763. [Cryptotaenia DC. Mem. Omb. 42. 1829.] Perennial glabrous herbs, with 3-divided leaves, and compound irregular umbels of white flowers. Involucre and involucels none. Calyx-teeth obsolete Petals inflexed at the apex. Stylopodium conic; fruit narrowly oblong, laterally compressed, glabrous. Carpels nearly terete, the ribs equal, obtuse
. 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 . 9. DERINGA Adans. Fam. PI. 2: 498. 1763. [Cryptotaenia DC. Mem. Omb. 42. 1829.] Perennial glabrous herbs, with 3-divided leaves, and compound irregular umbels of white flowers. Involucre and involucels none. Calyx-teeth obsolete Petals inflexed at the apex. Stylopodium conic; fruit narrowly oblong, laterally compressed, glabrous. Carpels nearly terete, the ribs equal, obtuse; oil-tubes solitary in the intervals and also beneath each rib. Seed-face flat or nearly so. [Said to be named for Deering or Bering.] A nionotypic genu rn North America and Japan. I. Deringa canadensis (L.) Kuntze. lionewort. Fig. 3115. Sison canadcnsc L. Sp. PI. 252. 1753. C. canadensis DC. Mem. Omb. 42 1829. D. canadensis Kuntze, Rev. Gen. PI. 266. i8gi. Erect, rather slender, freely branching, l°-3° high. Lower and basal leaves long- petioled, 3-divided, the segments thin, ovate, acute^ or acuminate at the apex, sharply and irregularly serrate, incised, or some- times lobed, i'-4' long, the lateral ones nearly sessile and oblique at the base, the terminal one abruptly narrowed into a mar- gined incised stalk; upper leaves nearly sessile; umbels 4-10-rayed; pedicels un- equal ; fruit narrowed at both ends, 2"-2" long, often curved. In woods, New Brunswick to South Dakota, Missouri, Georgia and Texas. Ascends to 4200 ft. in North Carolina. June-July.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
