. Gray's nouveau manuel de botanique. Un guide des plantes à fleurs et de fougères de l'Europe centrale et nord-est des États-Unis. La botanique. C. scabrata court.^, dépassée par la plump subglobuleuses ou obovoïdes à côtes fortement sowerby brusquement périgynes. Joorii ( C. Bailey.) - Les Marais et Rives humides, à ve en Floride et au Texas July Fig. 517. 150. Ch. scabrSta Schwein. Plutôt très feuillue, stout, 2-8 dm. haute et très fortement de l'épi ; angle ; feuilles environ 6-18 mm. Large, plat, vei'y pointes rugueuses ; 3-6, scat^ ment, la partie supérieure 1 ou 2 sessiles, le reste souvent long-peduncled et parfois nod- di

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. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. C. scabrata. short^awned, exceeded by the plump subglobose or obovoid strongly ribbed abruptly beaked perigynia. ( C. Joorii Bailey.) — Swamps and wet shores, Mo. to Fla. and Tex. Aug. Fig. 517. 150. C. scabrSta Schwein. Rather stout, very leafy, 2-8 dm. high ; culm sharply and very roughly angled; leaves 6-18 mm. broad, flat, vei'y rough; spikes 3-6, scat^ tered, the upper 1 or 2 sessile, the remainder often long-peduncled and sometimes nod- ding, 1-6 cm. long, narrowly cylindrical and compactly flowered : perigynia broadly ovoid, prominently few-nerved, rough, the beak nearly as long as the hody and slightly toothed; scales acute and rough- tipped, green-nerved, about as long as the body of the perigynia. — Wet meadows and glades, e. Que. to Ont., s. to the mts. of S. C. and Tenn., O., and Mich. June-Aug. Fig. 518. — Hybridizes with G. crinita. 151. C. filif6rmis L. Tall and very slender but erect, 0..5-1.2 m. high; culm obtuse, smooth; leaves very long, involute-filiform, rough; spikes 1-3, ses- sile, somewhat scattered, erect, short and thick, 1-5 cm. long, 5-7 mm. thick; peri- gynia very short-ovoid, the teeth very short, the few nerves obscured by the dense stiff hairs ; scales thin and blunt, about as long as the perigynia..— Bogs and shallow water, Nfd. to B. C, s. to Pa. and the Great Lake region. May-Aug. (Eu.) Fig. 619. 152. C. lanuginbsa Michx. Similar; lower; culm mostly rough above; leaves flat, 2-5 mm. broad ; spikes usually somewhat slim- mer, the lowest usually peduncled; scales mostly sharper and longer. (O. flliformis, var. latifolia Boeckl.) — Swales and low meadows, N. B. to Sask. and B. C, s. to Pa., - 111., Kan., etc. June-July. 153. C. Houghtbnil Torr. Stiff, 1.5-6.5 dm. high, extensively creeping; culm rather sharply angled, rough, exceeding the leaves ; leaves flat and very sharp-poi

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