. 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. Genus 7. SEDGE FAMILY. 333 18. Scirpus paludosus A. Nelson. Prairie Bulrush. Fig. 81 Scirpus campestris Britton, in Britton and Brown, 111. Fl. Ed. 1, 1: 267. 1896. Not Roth, 1795. 5. paludosus A. Nelson, Bull. Torr. Club 26: 5. 1899. Scirpus interior Britton, Man. Ed. 2, 178. 1905. Perennial by slender rootstocks, culm slender, smooth, sharply triangular, i°-2
. 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. Genus 7. SEDGE FAMILY. 333 18. Scirpus paludosus A. Nelson. Prairie Bulrush. Fig. 81 Scirpus campestris Britton, in Britton and Brown, 111. Fl. Ed. 1, 1: 267. 1896. Not Roth, 1795. 5. paludosus A. Nelson, Bull. Torr. Club 26: 5. 1899. Scirpus interior Britton, Man. Ed. 2, 178. 1905. Perennial by slender rootstocks, culm slender, smooth, sharply triangular, i°-2° tall. Leaves usually pale green, smooth, shorter than or overtopping the culm, i"-2" wide, those of the involucre 2 or 3, the longer much exceeding the inflorescence; spikelets 3-10 in a dense terminal simple head, oblong-cylindric, mostly acute, 8"-i2" long, 2V-4" in diameter; scales ovate, membranous, puberulent or glabrous, pale to brown, 2-toothed at the apex, the midvein excurrent into an ascending or spreading awn about i" long; bristles 1-3, much shorter than the achene or none; style 2-cleft; achene lenticular, obovate or oblong-ovate, mucronulate, yellow-brown. Salt marshes, Quebec to New Jersey, about salt springs inland and on wet prairies and plains, Manitoba and Min- nesota to Oregon, Nebraska, Kansas, Nevada and Mexico. May-Aug. 19. Scirpus robustus Pursh. Salt Marsh Bulrush. Fig. 819. Scirpus robustus Pursh, Fl. Am. Sept. 56. 1814. Scirpus maritimus var. macrostachyus Michx. Fl. Bor. Am. 1: 32. 1803. Not 5. macrostachyus Lam. Perennial by large rootstocks, culm stout, stiff, sharply _ 3-angled with flat sides, smooth, 2°-s° tall. Leaves equalling or overtopping the culm, dark green, smooth, 2j"-5" wide, the midvein prominent; involu- cral leaves 2-4, elongated, erect, similar to those of the culm, often 1' long; spikelets ovoid-oblong, obtuse or subacute, stout, 8"-l2" long, 4"-s" in diameter, 6-20
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
