576 POACE.E. 



A decumbent or erect perennial, 30-50 cm. liigh, with creeping^ 

 rootstocks. Blades of sterile shoots 5-8 cm, long, 2-3 mm. wide; 

 ligule 3-4 mm. long; blades of culm smooth, usually 3, mostly in- 

 volute. Panicle erect, 8-12 cm. long, rays mostly in twos to- 

 sevens, erect or the lower ones spreading, the longest 6 mm. long, 

 flower-bearing above the middle. Spikelets oblong or linear, turned 

 to one side of the rays, 2— 4-8-flowered, joint of rachilla 1.3 mm. 

 long; empty glumes scarious, rounded on the back, first 1-nerved, 

 1.5-3 mm. long, second 3-5-nerved, 2-3.5 mm. long; floral glume 

 2,7-4 mm. long, slightly pubescent below, tinged with purple, oval, 

 obtuse, or subacute; palea but little shorter. 



Much like A. distans, which see. I have followed European 

 authors in keeping them distinct, though perhaps they should 

 be united. 



Oregon, IIovcll : California, Lemmon. 



8, A. Fendleriana (Steud.). Eragrosfis FendlerUtna Steud.. 

 Syn. PI. Gram. 1:278 (1855). A. Californica Munro, A. Gray, 

 Proc. Acad. Sci. Pliila. 336 (1862). Poa andlna Nutt. S. Wats. 

 in Bot. King's Exp. 388 (1871). Poa Eatoni S. Wats. Bot. 

 King's Exp. 386 (1871). Poa arida Yasey, Contrib. IT. S. Nat. 

 Herb. 1 : 270 (1893). Poa lucida A^asey, Contrib. U. S. Xat. Herb. 

 1:274 (1893). 



A strict scabrid densely tufted pale-green perennial, 30-50-70 

 cm high, usually dioecious, from short rootstocks. Blades of sterile- 

 shoots flat or conduplicate, 6-10 cm, long, 2 mm. wide: leaves of 

 culm 2-3 in number, ui^jDcr ligule 3-5 mm. long; l)lades condupli- 

 cate, 1-4-10 cm. long or reduced to a mucro. Panicle spikelike, 

 lanceolate or slightly spreading, 5-10-15 cm. long, rays in twos 

 or threes, tlie longest 3-6 cm. long, flower-bearing on the upper- 

 half. Spikelets ovate-lanceolate, flattish, pale green, often tinged 

 with purple. 3-7-flowered, Joint of rachilla 0.6-0.7 mm. long; 

 empty glumes subequal, compressed, oval, acute, irregularly toothed 

 or obtuse, first 1-3-nervetl, 3-4-5 mm. long, second 5-5.5 mm. 

 long; floral glume oblong, 4-5 mm, long, often denticulate at the 

 apex, scabrous, a few short hairs at the base; palea lanceolate. 



