FESTUCE.E. Jdd 



15. F. Jonesii Vasey, Grass. U. S. 43 (1885); Contrib. U. S. Nat. 

 Herb. 1:278 (1893). 



A slender erect perennial, 40-120 cm. high. Sheaths usually 

 scabrous, shorter than the iuternodes ; ligule usually not over 1 mm. 

 long; blades of radical tufts about half as long as the culm, those of 

 the culm 3-4 in number, flat or involute, smooth or scabrous, 10- 

 30 cm. long, 3-8 mm. wide. Panicle slender, open, 15-30 cm. long, 

 rays capillary, spreading, flexuose, in pairs or single, rarely in 

 threes, the lowest remote, the longest 7-10 cm. in length, sparingly 

 branching above the middle. Spikelets narrow, 3-5-flowered, 7-10 

 mm. long, joint of rachilla scabrous, 1.5-2 mm. long, second 3-5 mm. 

 long; floral glume scabrous, convex-subcarinate, linear-lanceolate, 

 5-7 mm. long, 3-5-nerved, lateral nerves obscure, awn slender, 

 5-12 mm. long; palea linear-lanceolate before opening, as long as 

 its glume. Stamens 3. Grain hairy. Sometimes distributed as F. 

 occidentalis Hook, and F. pauciflora. 



Idaho, Bolander 6073; Utah, Jones 1868; Washington, Suks- 

 dorf, Sandherg, LaJce, Henderson; Oregon, Howell. 



Idaho, Oregon to British America. 



Yar. conferta E. Hackel iued. Panicle denser, rays bearing 

 many spikelets on the upper half, awn 1-3 mm. long. 



California, U. S. Dept. Agricul. from Normal School San Jose, 

 now in Herb. Scribner and seen by E. Hackel. 



16. F. ovina L. 8p. PI. 73 (1753). Sheep's Fescue. The 

 number of synonyms and varieties is very large. 



A slender densely tufted or slowly creeping glaucous-green 

 perennial, 15-60 cm. high. Sheaths split lengthwise more or less, 

 3-8-nerved, throat conspicuously and symmetrically biauriculate; 

 ligule very short ; blades of sterile shoots very numerous, those of 

 the culm 2-3 in number, the blades all more or less conduplicate, 

 esjiecially toward the apex, often with longitudinal grooves, oval, 

 subcircular, oblong or cuneate-oblong in transverse section, 3-9- 

 nerved on the upper or inner side, 1-3- (rarely 5-) 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. Spikelets elliptical or oblong-elliptical. 



