606 POACE.E. 



Tmear-lanceolate, 5-6.5 mm. long, very acute, glabrous, the awn 

 half as long as the glume or longer ; palea linear-oblong, apex en- 

 tire or with two short teeth. 



Northern Michigan, Farwell, Wheeler; Britisli Columbia, 

 Macoiin; ATashiugton, E. E. Lake. 



\-dv. glaucescens Hack. Monog. Fest. Eu. 139 (1882). F. 

 glancescens Hegetschw. Fl. Schw. 93 (1840). 



It resembles F. vulgaris, excepting that the spikelets are 10 

 nmi. or more long; floral glume 6-7 mm. long, the awn rather long. 



Tennessee (Cumberland River), Gattinger in 1886. 



Var. fallax (Thiiill) Hack. Fes. Eu. U-3 (1882). F. fallax 

 Thuill Fl. Par. Ed. 2 : 50 (1799). 



Densely csespitose, glaucous, strongly tinged with purple or 

 violet, 40-60 cm. high, blades obtuse, in section obtusely 6-angled, 

 rarely suboval, 0.7-0.8 mm. diam. Panicle 6-8 cm. long, rays 

 densely flowered, the longest 3-4 cm. long. Spikelets elliptical- 

 lanceolate, 5-7-flowered, 8-10 mm. long, second glume lanceo- 

 late, 3-nerved, extending to tlie middle of the floral glume; 

 floral glume 5-6 mm. long, rather abruptly pointed, Avith a very 

 short awn. Anthers 2.7 mm. long. 



Montana, Anderson; Washington (Seattle), Hoiuell in 1886. 



Washington, Oregon, and Rocky Mountains. 



Var. trichophylla Gaud. Hack. Monog. Fes. Eu. 141 (1882). 

 F. trichophylla Ducros, Gaud. Fl. Helv. 1:288 (1828). 



Culms slender, about 60 cm. high, curved below and ascending 

 from creejiing rootstocks. Blades obtuse at the extreme apex, 

 folded, setaceous, destitute of bulliform cells, 0.4-0.5 mm. diam., 

 the lower sheaths torn into slireds, glabrous. Panicle linear-ob- 

 long, 6-10 cm. long. Spikelets lanceolate, 7 mm. long; floral 

 glume linear-lanceolate, 4.5-5 mm. long, glabrous, bearing a very 

 short awn. 



Oregon, Howell; also found in Europe. 



Var. longiseta Hack. ined. F. longiseta Hegetschw. Fl. Schw. 

 92 (1840). 



Culms 20-70 cm. high. Leaves 3 in number, blades involute or 

 conduplicate, smooth, faintly nerved, terete or oval, 15-20 cm. long. 



