. 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. -peti-oled, much smaller, sometimes toothed towardthe apex; heads very numerous in a compoundcorymb, about 2 broad, mostly 5-flowered;involucre 3-4 high, its bracts linear-oblong,obtuse or obtusish, scarious-margined. On wet prairies and in marshes, Ohio and west-ern Ontario to Minnesota, Kansas, Alabama, Louisi-ana and Texas. June-Aug. loi. SYNOSMA Raf.; Loud. Card. Mag. 8:
. 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. -peti-oled, much smaller, sometimes toothed towardthe apex; heads very numerous in a compoundcorymb, about 2 broad, mostly 5-flowered;involucre 3-4 high, its bracts linear-oblong,obtuse or obtusish, scarious-margined. On wet prairies and in marshes, Ohio and west-ern Ontario to Minnesota, Kansas, Alabama, Louisi-ana and Texas. June-Aug. loi. SYNOSMA Raf.; Loud. Card. Mag. 8: 247. 1832. A perennial leafy herb, glabrous or very nearly so, with triangular or hastate, alternateleaves, the lower petioled, the upper sessile, and several or numerous, corymbose or corym-bose-paniculate, discoid heads of white or pinkish flowers. Involucre nearly cylindric, itsprincipal bracts 12-15, linear, acute, usually with some subulate outer ones. Receptacle flat,naked. Flowers perfect; corolla 5-lobed. Style-branches not appendaged. Pappus of verynumerous white soft capillary bristles. [Greek, perhaps signifying a fragrant composite.] A monotypic genus of eastern North America. 53S COMPOSITAE. Vol. I. Synosma suaveolens (L.) Raf. Sweet-scented Indian Plantain. Fig. 4609. Cacalia suaveolens L. Sp. PI. 835. 1753. Senecio suaveolens Ell. Bot. S. C. & Ga. 2 : 328. 1821-24. Synosma suaveolens Raf.; Loud. Gard. Mag. 8: 247. 1832. Glabrous or very nearly so throughout; stem stri-ate, 3°-5° high, leafy to the inflorescence. Leavestriangular-lanceolate or hastate, sharply and irregu-larly serrate, acuminate, 4-io long, 2-6 wide atthe base, the auricles sometimes with i or 2 lobeson the lower side; petioles margined, or those ofthe basal leaves naked and slender; uppermost leavessometimes merely lanceolate and sessile; heads 2-3broad in a usually large and compound corymb; in-volucre 4-6 high, its principal bracts linear, acute;heads 20-30-flowered. In woods, Rhode Isl
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
