. 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 102d meridian. Botany; Botany. Scirpus castaneus Michx. Fl. Bor. Am. 1: 31. 1803. Fimbristylis castanea Vahl, Enum. 2: 292. 1806. F. spadicea castanea A. Gray, Man. Ed. 5, 566. 1867. Perennial by a thickened base, glabrous, culms stiff, slender, 3-angled, wiry, i°-3° tall, usually longer than the strongly involute rigid leaves. Leaves about 1" wide when unrolled, their sheaths often bro
. 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 102d meridian. Botany; Botany. Scirpus castaneus Michx. Fl. Bor. Am. 1: 31. 1803. Fimbristylis castanea Vahl, Enum. 2: 292. 1806. F. spadicea castanea A. Gray, Man. Ed. 5, 566. 1867. Perennial by a thickened base, glabrous, culms stiff, slender, 3-angled, wiry, i°-3° tall, usually longer than the strongly involute rigid leaves. Leaves about 1" wide when unrolled, their sheaths often brown; leaves of the involucre 3-6, erect, the longer sometimes exceeding the usually com- pound umbel; umbel several-rayed, the rays nearly erect, 2''-& long; central spikelets of the umbels and umbellets sessile, the others pedicelled; spikelets ovoid or ovoid-cylindric, acute, 2l"~6" long, about 1" in diameter; scales oval, obovate, or orbicular, obtuse or orbicular, obtuse or sub- acute, coriaceous, glabrous, dark brown with a green midvein; stamens 2; style 2-cleft; achene lenticular, obovate, brown, reticulated. In marshes and shallow water, New York to Flor- ida, along the coast. Bermuda. Erroneously referred in first edition to the tropical American F. spadicea (L.) Vahl, which has longer spikelets. July-Sept. 2. Fimbristylis interior Britton, n. sp. Plains Fimbristylis. Fig. 785. Perennial, with short stolons, the base of the culm slightly thickened. Culms loosely tufted to solitary, very slender, smooth, striate, somewhat compressed, i°-2° high; leaves rough-margined, involute, at least toward the tip, 1" wide or less, shorter than the culms; bracts of the involucre mostly shorter than the umbel, ciliate; umbel a little compound, its rays filiform; spikelets few to several, ovoid to ovoid-oblong, acutish, 5" long or less, many-flowered; scales yellow- brown, ovate, striate, mucronate or the lower ones awned, glabrous, dull; stamens 3; ach
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
