. 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. GRAMINEAE. Vol. ii. Muhlenbergia brevifolia (Nutt.) Nash. Short-leaved Rush-grass. Fig. 449. Agrostis brevifolia Nutt. Gen. 1: 44. 1818. Sporobolus Richardsonis Merrill, Rhodora, 4: 46. 1902. Sporobolus brevifolius Scribn. Mem. Torr. Club, 5: 39. 1895. Smooth and glabrous, culms 6-18' tall, arising from a horizontal rootstock, erect, slender, decumbent and
. 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. GRAMINEAE. Vol. ii. Muhlenbergia brevifolia (Nutt.) Nash. Short-leaved Rush-grass. Fig. 449. Agrostis brevifolia Nutt. Gen. 1: 44. 1818. Sporobolus Richardsonis Merrill, Rhodora, 4: 46. 1902. Sporobolus brevifolius Scribn. Mem. Torr. Club, 5: 39. 1895. Smooth and glabrous, culms 6-18' tall, arising from a horizontal rootstock, erect, slender, decumbent and branch- ing above. Sheaths much shorter than the internodes; ligule l"-i" long, acutish; blades ¥-2' long, involute- setaceous; panicle ¥-3' in length, usually about i¥, linear, its branches ¥-¥ long, erect or appressed; spikelets ii"-ii" long, the outer scales unequal, about one-half as long as the third, scabrous on the keel and at the apex; third scale long-acuminate, sometimes cuspidate, scabrous toward the apex. In' meadows and along rivers, Anticosti Island and Maine to British Columbia, south in the mountains to New Mexico and California. Summer. 12. Muhlenbergia cuspidata (Torr.) Nash. Prairie Rush-grass. Fig. 450. Vilfa cuspidata Torr.; Hook. Fl. Bor. Am. 2: 238. 1840. Sporobolus cuspidatus Wood, Bot. & Fl. 385. 1870. Sporobolus brevifolius Scribn. Mem. Torr. Club, 5 : 39. In part. 1894. Smooth and glabrous, culms ic-2° tall, erect, simple above, branched at the base. Sheaths shorter than the internodes; ligule a mere ring, I" long or less, erose-trun- cate; blades 1-4' long, less than 1" wide at the base, erect, involute-setaceous, at least when dry; panicle l4'-s' in length, slender, its branches ¥-1' long, appressed; spike- lets ii"-ii" long, the outer scales half to three-quarters as long, acuminate or cuspidate, scabrous on the keel; third scale long-acuminate and cuspidate, sparingly scabrous. In dry soil, Manito
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
