15. F. Joneiii Viwoy, (irass. U. 8. 43 (18H5); Coniril.. l*. S. Nut. 

 Horb. 1:278 (18»:i). 



A Bli'iiiItT ort'(!t perennial, 40-120 cm. high. Sheuthn UHually 

 scuhroiiB, shorter than the internuderi; ligule usuuily not uvcr 1 mm. 

 long; bhideB of rudical tufts about half as long an tin* eiilm, thoHeof 

 thu culm 3-4 in number, Hat or involute, xmooth or hcabroiis, 10- 

 30 cm. long, 3-8 mm. wide. I'anielo fllendcr, open, l't-'M)vui. long, 

 ruys cupiliary, spreading, (lexuose, in jtairs or «ingle, rarely in 

 threes, the lowest retnole, the longest 7-10 «-m. in length, sparingly 

 branching above the middle. Spikelets narrow, 3-.')-llowered. T 10 

 mm. long, joint of rachiliaBtiabroiis, l.'i-'i mm. Imh;:, geeoiul 3-r) mm. 

 long; llorul glume scabrous, eonve.x-subcarinate, linear-lanr»'niate, 

 6-7 mm. long, 3-r>-nerved, lateral nerves obscure, awn t*lender, 

 5-12 mm. long; paloa lincar-lanceolute before opening, as long as 

 its glume. Stamens 3. (i rain hairy. Sometimes distributed us /'. 

 occit/eiifalin Hook, and F. jxiiirijlora. 



Idaho, IhilatKlvr G073; T'tali, Jonex IsOft; Wushingtou, Sukx- 

 dorf, S((U(lherii, Lake, HvtiderxDii; Oregon, J/mrrll. 



Idaho, Oregon to Hrifish America. 



Var. conferta K. Ilackel iiied. Panicle denser, rays bearing 

 many sj)ikolets on the upper half, awn 1-3 nwn. long. 



California, C, S. Dejit. Ayrirul. from Nornud School San dose, 

 ■now in Herb. Scribner and seen by K. Ilackel. 



16. F. ovina L. Sp. PI. 73 (1753). SiikkKs Fkhch:. Tiiu 

 number of synonyms and varieties is very large. 



A sleiuler densely tufted or slowly cn-eping glaucous-green 

 perennial, 15-00 cm. higli. Sheaths split Icngthwis** nmre or less, 

 3-8-nerved, throat conspicuously and .symmetrically biituriculatc; 

 ligule very short; bhulcs of sterile shoots very niiini'rous. those of 

 the culm 2-3 in nuniber, the blades all more or less conduplicatc, 

 e8i)ecially toward the ai)ex, often with longitudinal grooves, oval, 

 subcircular, oblong or cuneate-oblong in transverse section, 3-'.t- 

 nerved on the up[)er or inner side, 1-3- (rarely "»-) ribbed, the 

 sclerenchyma even and continuous on the lower side or more or less 

 interrupted; bulliform cells absent. Panicle rather compact and 

 subsecund, 3-10 cm. long. S])ikelet8 ellijttical or oblong-elliptical. 



