FESTUCE.E. 503 



Col. 149 (1874). M. Porferi Scribu. Proc. Phlla. Acad. 1885, 44, 

 t. i, /. 44 (188")). 



Culms slender, 60-80 cm. high. Sheaths scabrous, longer than 

 the internodes ; ligule white. 4 mm. long; blades G-T in number, 

 flat or becoming involute, scabrous, 20-30 cm. long, ;5-4 mm. wide. 

 Panicle simple, 'iO-30 cm. long, raj'S in threes and fours or fewer in 

 half-whorls, remote from each other 4-7 cm., tlie longest 0-7 cm. 

 long, bearing a few spikelets above the middle on hairj- pedicels 

 turned to one side. Spikelets 3-5-flowered, longest joint of rachilla 

 2.5-3.5 mm. long, first glume 5-7 mm. long, ovate, 5-nervedj 

 second G-7 mm. long, l)roadly oval, acute, 7-nerved ; floral glume 

 7-9 mm. long, firm, scabrous, elliptical, acute, 7-14-i: ved; jialea 

 5-G mm. long, spatnlate, acute. 



Texas, XeaUei/ ; New ^fexico, Wripht 20(i^, Jones 4134 ; Ari- 

 zona, Primjle, linthrock 805 ; Rocky Mountains, Hall tC Harbour 

 228. 



Nebraska, Colorado, and Arizona. 



9. M. stricta Roland. Proc. Calif. Acad. 3:4 (18G3). 

 Densely tufted, 20-50 cm. higli. Slieatiis longer than the 



internodes, scal)rid or pubescent; ligule white, lacerate, 4 mm. long; 

 blades 4-5 in number, sometimes scabrous above and i)ubesceut 

 beneath, the apex convolute and rigid, 10-15 cm. long. 4 mm. 

 wide. Panicle very simple, or instead often a secund raceme, 10- 

 15 em. long, bearing 9-12-20 spikelets. Spikelets ])orne on slender 

 curved, finely pubescent ])edieels, 2-4-flowered, longest joint of 

 slender rachilla 2.5 mm. long; empty glumes subequal, 12-15 mm. 

 long, elliptical when s})read, acute, almost hyaline, 5-nerved ; floral 

 glume narrowly elliptical, 5-nerved ; palea spatulate-linear, 5 mm. 

 long. 



Oregon (Stein's ^lountain), I To well j California, (rray, Greene, 

 Bohnuler, PrimiJe ; Kevada, Walsuii 1305. 



Montana, Oregon, California, and Nevada. 



10. M. frutescens Scribn. Proc. Pliila. Acad. 45 (1885). 

 Culms stout, 70-100 cm. high, simple or branched near the base 



or near the top. Sheaths about 8 in luimber, longer than the in- 

 ternodes; ligule 4-5 mm. long, rather firm and brown below; blades 



