284 



Fig. 278. POA BTJCKXiEYANA Nash, Bui. Torr. Bot. Club, 22 : 465. 1895. 

 {Poa tenuiJoUa Buckley, Proc. Acad. Nat. Sci. Phila. 1862 : 96. 1862, not A. Rich. 

 1851.) BUNCH RED-TOP.— A rather slender, erect perennial "bunch grass" 

 3-6 dm. (l°-2°) high, with numerous soft radical leaves and narrow panicles 

 2-10 cm. (l'-4') long. Sheaths shorter than the internodes; ligule 4-6 mm. 

 (2"-3") long, acute; leaf-blades 2-10 cm. (l'-4') long, about 2 mm. (1") wide, 

 plane or involute. Spikelets (a, h) 2 to 5 flowered, 4-6 mm. (2"-3") long; empty 

 glumes, acute, nearly equal, scabrous on the keel; flowering glumes (o) 4 mm. 

 (2") long, sparingly pubescent on the nerves and sometimes somewhat hispid 

 below. The palea is shown by fZ.— Usually in dry soil of '-bench" lands, 

 mountain slopes, elevated prairies, etc., alt. 450 to 3.900 m. (1.3.50°-1 1,700°), 

 South Dakota to British Columbia. Colorado, and California. May to September. 



