FESTUCE^. 489 



oval or linear, becoming purple, 5-12-flowereil, 4-8 mm. long; 

 empty glumes subecjual, l-nerved, ovate, acute, sca])ricl on the 

 keels, 1.4-1.7 mm. long; floral glume ovate, acute, lateral nerves 

 conspicuous, 1.5-1.9 mm. long; palea incurved, obtuse, hirsute 

 on tlie nerves, sh<n-ter tlian its glume. Grain oval, scarcely com- 

 pressed, 0.6 nun. long. 



Massacliusetts, Pringle; Michigan, (Howard City) Beal, (Muir) 

 WIteekr; Florida. Curtixs 3501; Kansas, V. S. Dcpt. Af/ricul. 585. 



Var. spectabilis (Pursli) A. Gray, Man. Ed. 2:5()5 (1S6-.'). E. 

 spcctahilifi A. (iray. Man. Ed. 1:598 (1848). Poa spvrtahilis 

 Pursh, Fl. Am. Sept. 1:81 (1814). Poa amubiUs Walt. Fl. Car. 

 80 (1T88), not L. 



Slieaths and blades mostly glabrous; branches of the })anicle 

 shorter; sj)ikelet8 rather larger. Found with the sj)ecies. 



Massachusetts to Texas and Kansas. 



24. E. Palmeri S. Wats. Proc. Am. Acad. IS: 182 (1882-3). 

 An erect tufted ratlier slender i)erenniid, 00-90 cm. higli, from 



cree])ing rootstoeks. Culms numerous, smootli, sim})lc. Leaves of 

 sterile shoots erect, blades 40 cm. long, involute with long liliform 

 points; sheaths of the culm smooth, slightly (lompressed, shorter 

 than the internodes; ligule a ring; blades smooth, mostly invo- 

 lute, often 30 cm. long, the upper 10-18 cm. long. 2-4 mm. 

 wide. Panicle much exscrted, linear or ovoid, 20-30 cm. long; 

 rays mostly single, rather distant, the longest 9-12 cm. long; 

 bearing branches and spikelets for most of their length. Lateral 

 spikelets on pedicels about 1 mm. long, those t(?rminatiiig the 

 branchlets 3-5 mm. long; but slightly flattened, linear-lanceolate, 

 4-7-flowered, 4-5 mm. long; empty glumes ovate, acute, l-nerved; 

 flrst 1.5 mm. long, second 1.8 mm. long; floral glume broadly 

 ovate, obtuse, 1.8-1.9 mm. long; palea slightly curved, emargiiiate, 

 l)roadly oval when spread, as long as its glume. Anthers linear, 1 

 mm. long. Grain subglobose, 1-5 mm. long. Allied to E. hiyens 

 Nees. 



Mexico, Palmer 1308. 



25. E. lugens Nees, Agrost. Bras. 2:507 (1829). Pon higens 



