604 POACE^. 



There may be some doubt as to the correct identification of this 

 specimen. 



25. F. pauciflora Thunb. Fl. Jap. 52 (1784). F. occidentalis 

 Hook. Fl. 13or. Am. 2:249 (1840). 



An erect perennial, 50-70 cm. high. Leaves of the sterile 

 shoots numerous, blades smooth, involute, 5-angled, filiform, 

 20-40 cm. long, 0.3-0.6 mm. diam., leaves of the culm 3 in number; 

 sheaths longer than the internodes; ligule very short, slightly un- 

 symmetrically biauriculate; blades 6-10 cm. long. Panicle slender, 

 12-18 cm. long, but little exserted, rays mostly in pairs, the lowest 

 two half- whorls 6-7 cm. distant, the longest ray 6-8 cm. long, bear- 

 ing a few scattered spikelets on the outer half. Spikelets linear, 4- 

 flowered, 10 mm. long, first acute, 1-nerved, 4 mm. long, second 

 subacute, 3-nerved, 5 mm. long; floral glume scabrous, 5-nerved, 

 5.5-6.5 mm. long, 2 mm. wide when spread, the terminal awn 5-10 

 mm. long; palea 6 mm. long. Anthers 2.3 mm. long. Ovary 

 obovoid, pubescent above. 



California, Bolander, Nash for Thurber, and both now in 

 Herb. U. S. Dept. Agricul. 



26. F. scabrella Torr. Hook. Fl. Bor. Am. 2: 252, t. 233 (1840). 

 F. Thurheri Vasey, Eothr. Rep. Bot. U. S. Surv.6: 292 (1878). 



An erect tufted perennial, 40-90 cm. high. Leaves of sterile 

 shoots numerous, the sheaths smooth and persistent; blades smooth 

 or scabrous, involute, 15-40 cm. long, 0.8-1.2 mm. diam., mostly 

 deciduous at the base, leaves of the culm 2 in number, sheaths 

 striate, smooth; ligule acute, 3-4 mm. long, unsymmetrically auricu- 

 late, blades smooth below, scabrous above, involute, rigid, 6-10 cm. 

 long, about 2 mm. diam. Panicle thin, 10-15 cm. long, rays mostly 

 in twos, 6-9 cm. long, flower-bearing on the outer half. Spikelets 

 more or less red, 3-5-7-flowered, 8-10-14 mm. long; empty glumes 

 chartaceous, ovate-lanceolate, first 1-nerved, 5-6 mm. long, second 

 3-nerved, 4-7 mm. long; floral glume oblong, scabrid, 5-nerved, 6-7 

 mm. long, sometimes with a stout awn about 1 mm. long; palea 

 as long as its glume. This resembles some species of MeJica con- 

 siderably. 



Yukon River, Macoun in 1887; Mt. Albert Gaspe, Macoun in 



