588 POACE^. 



liladcs of sterile shoots lialf as lon<j; as the culm, with luug sk-ndei' 

 points, leavesof theeiiliii 3 to .1 in number; sheaths on suuiU planter 

 loose, shorter than the internodes; lij^Miie truncate, l-:i-5 mm. long; 

 blades 15 cm. long, 4-0 mm. wide, Mat or involute, smooth or 

 scabrous, i)anicle narrow, strict, 7-13 em. long, rays in twos ami 

 threes, erect, the longest '^-3 cm. long, tlower-hearing above the 

 middle. Spikelets ol)l(»ng or ovate- lanceolate, G-10 mm. long, 3-5- 

 flowered, joint of rachilla 0.7-1 mm. long; emiUy glunu's cliar- 

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

 second liiu'ar-lanceolate, 5-0 mm. long, 3-nerved; floral glume 

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

 nate or round on the back, acute to acuminate, awidess; }»alea 

 elliptical, obtusi". nearly as long as its ghune, keels scabrous-ciliate. 

 Grain Avith apex truncate and i)ubesceut. Anthers 4.5 mm. long. 



Dr. Vasey says: "This ditTers froni Poii chiefly in the rigiility 

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

 glumes." 



Utah, Jones ll'2i, Ifdi/defi, Tracij; Yellowstone Park, Twceily; 

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



7. F. nutans Si)rcng. Fl. Hal. Mant. 34. Poa nutans Link, 

 Enum. Hort. li(;rol. 1:80 (18-27). 



A tufted i)erennial, r»0-l'20 cm. high. Sterile shoots few, leaves, 

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

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

 taper-pointed, 15-20 cm. long, 4-0 mm. wide. Panicle 12-2".* em. 

 long, erect, bending with age, simple, open, sccund, rays in remote 

 pairs, the longest 8-1"-* cm. long, bearing 3-13 sj)ikclcts on the 

 upper third or fourth. Sj)ikelets pedicellate, ovate-oblong 5-8 

 mm. long, 3-6-flowcred, joint of rachilla O.G mm. long; empty 

 glumes firm, scabrid, first lanceolate, about 3 mm. long, second 

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

 oblong, sul)acute, coriaceous; j)alea firm, narrowly elliptical, nearly 

 us long as its glume. 



Vermont, Primjlc; Pennsylvania (Phila.), Scrihner 710; New 

 York (Cayuga County), lieaJ; ^lichigan, Cooley, Clark, Bealy 

 Wheeler; Minnesota, Goodhue, Jfohinger, 



