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Flowers yellow; involucral bracts equalling Post Date: Thu, 21 Aug 2008 22:58:00 +0000 [Greek, goats- beard.] About 35 species, natives of the Old World. Flowers yellow; involucral bracts equalling or shorter than the rays. Autor of the post: Undefined 2 T porrifolius Post Date: Thu, 21 Aug 2008 22:45:20 +0000 I T pratensis. Flowers purple; involucral bracts much longer than the rays. 2 T porrifolius. Autor of the post: Undefined (I F F 3528) Stem Post Date: Thu, 21 Aug 2008 22:27:07 +0000 1 Tragopogon pratensis L YELLOW GOATS-BEARD. MEADOW SALSIFY. (I F F 3528) Stem branched, 4-9 dm high. Autor of the post: Undefined Nat from Europe Post Date: Thu, 21 Aug 2008 22:16:44 +0000 Leaves keeled, tapering from the broad, more or less clasping base to a very long acuminate tip, the lower some- times 25 cm long and 25 mm wide; peduncles thickened at the top; heads 3-6 cm broad; bracts of the involucre about 8, lanceolate, acuminate, shorter than or equalling (rarely exceeding) the yellow rays; marginal achenes striate, smooth or roughened. In fields and waste places, N B to N J, Ont, Ohio and Manitoba. Nat from Europe. Autor of the post: Undefined SALSIFY Post Date: Thu, 21 Aug 2008 22:05:55 +0000 June -Oct. 2 Tragopogon porrifolius L OYSTER PLANT. SALSIFY. Autor of the post: Undefined Peduncles very much thickened Post Date: Thu, 21 Aug 2008 21:55:11 +0000 PURPLE GOATS- BEARD. (I F F 3529) Taller, sometimes 15 M high. Peduncles very much thickened and hollow for 3-7 cm below the heads; heads 5-10 cm broad, very showy; bracts of the involucre linear-lanceolate, acuminate, usually much longer than the purple rays; achenes sometimes 5 cm long, the outer ones cov- ered with scale-like tubercles, especially on the ribs below. Autor of the post: Undefined June-Oct Post Date: Thu, 21 Aug 2008 21:40:15 +0000 In fields and waste places, Ont to N J, N Car, Minn, and Colo, mostly escaped from gardens, where it is common. Native of Europe. June-Oct. Autor of the post: Undefined Receptacle flat, naked or bristly Post Date: Thu, 21 Aug 2008 21:21:12 +0000 Annual or perennial, branching or scapose herbs, with alternate or basal, mostly pinnatifid leaves, and long-peduncled panicled or solitary heads of yellow or rarely white flowers. Involucre campanulate, its principal bracts in I or 2 series, equal or nearly so, with several series of shorter exterior ones. Receptacle flat, naked or bristly. Autor of the post: Undefined Style-branches slender Post Date: Thu, 21 Aug 2008 21:06:06 +0000 Rays truncate and 5 -toothed at the apex. Anthers sagittate at the base. Style-branches slender. Autor of the post: Undefined [Greek, soft-hair, in allusion Post Date: Thu, 21 Aug 2008 20:53:28 +0000 Achenes oblong or linear, glabrous, io-15-ribbed, 4 or 5 of the ribs usually more prominent than the others, truncate, or margined and 4~5-toothed at the summit. Pappus-bristles in 2 series, the inner naked or minutely serrulate, slender, coherent at the base and deciduous in a ring, the outer few (1-8), more persistent, or all deciduous in our species. [Greek, soft-hair, in allusion to the soft pappus. 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