588 POACE^. 



Blades of sterile shoots half as long as the culm, with long slender 

 points, leaves of the culm 2 to 3 in number; sheaths on small plants 

 loose, shorter than the internodes; ligule truncate, 1-2-5 mm. long; 

 blades 15 cm. long, 4-6 mm. wide, flat or involute, smooth or 

 scabrous, panicle narrow, strict, 7-13 cm. long, rays in twos and 

 threes, erect, the longest 2-3 cm. long, flower-bearing above the 

 middle. Spikelets oblong or ovate-lanceolate, 6-10 mm. long, 3-5- 

 flowered, Joint of rachilla 0.7-1 mm. long; empty glumes char- 

 taceous, first ovate, acute or obtuse, 3-4.5 mm. long, 1-nerved, 

 second linear-lanceolate, 5-6 mm. long, 3-Eerved; floral glume 

 5.5-8 mm. long, linear-lanceolate, scabrous, rather firm, subcari- 

 nate or round on the back, acute to acuminate, awnless; palea 

 elliptical, obtuse, nearly as long as its glume, keels scabrous-ciliate. 

 Grain with apex truncate and pubescent. Anthers 4.5 mm. long. 



Dr. Yasey says: "This differs from Port chiefly in the rigidity 

 of the culms and the thicker, harsher, more rounded flowering- 

 glumes." 



Utah, Jones 1124:, Ha i/den, Tracy; Yellowstone Park, Tiveedy; 

 Oregon (Stein's Mountain), Howell in 1885. 



7. F. nutans Spreng. Fl. Hal. Maut. 34. Poa nutans Link, 

 Enum. Hort. Berol. 1:86 (1827). 



A tufted perennial, 60-120 cm. high. Sterile shoots few, leaves 

 of the culm 3-4 in number, sheaths much shorter than the inter- 

 nodes; ligule 1 mm. or less long; blades flat, scabrous or pubescent, 

 taper-pointed, 15-20 cm. long, 4-6 mm. wide. Panicle 13-22 cm. 

 long, erect, bending Avith age, simple, open, secund, rays in remote 

 pairs, the longest 8-12 cm. long, bearing 3-12 spikelets on the 

 upper third or fourth. Spikelets pedicellate, ovate-oblong 5-8 

 mm. long, 3-6-flowered, joint of rachilla 0.6 mm. long; empty 

 glumes firm, scabi-id, first lanceolate, about 3 mm. long, second 

 oval-lanceolate, 3-4 mm. long; floral glume 4 mm. long, ovate- 

 oblong, subacute, coriaceous; palea firm, narrowly elliptical, nearly 

 as long as its glume. 



Yermont, Pringle; Pennsylvania (Pliila.), Scrihner 710; Xew 

 York (Cayuga County), Beal; Michigan, Cooley, Clarky Beal^ 

 Wheeler; Minnesota, GoodMie, Hohinger. 



