FESTUCE^. 489 



oval or linear, becoming 2)urplc, 5-12-flowered, 4-8 mm. long; 

 empty glumes subeqiuil, l-norvcd, ovate, acute, scabricl 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 the nerves, shorter tlum its glume. Grain oval, scarcely com- 

 pressed, 0.6 mm. long. 



Massachusetts, Pringle; Michigan, (Howard City) Beat, (Muir) 

 Wfieehr; Florida, Curtiss 3501; Kansas, U. 8. Dept. Agricul. 585. 



Var. spectabilis (Pursh) A. Gray, Man. Ed. 3: 565 (1862). E. 

 specfabilis A. Gray, Man. Ed. 1 : 598 (1848). Poa spectabilis 

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

 80 (1788), not L. 



Sheaths and blades mostly glabrous; branches of the panicle 

 sliorter ; spikelets rather larger. Found witli the species. 



Massachusetts to Texas and Kansas. 



24. E. Palmeri S. Wats. Proc. Am. Acad. 18: 183 (1882-3). 

 An erect tufted rather slender perennial, 60-90 cm. higli, from 



creeping rootstocks. Culms numerous, smooth, simple. Leaves of 

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

 points; sheaths of the culm smooth, slightly compressed, 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 exserted, linear or ovoid, 20-30 cm. long; 

 rays mostly single, rather distant, the longest 9-13 cm. long; 

 bearing branches and spikelets for most of their length. Lateral 

 spikelets on pedicels about 1 mm. long, those terminating the 

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

 4-7-flowered, 4-5 mm. long; empty glumes ovate, acute, 1-nerved; 

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

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

 broadly oval when spread, as long as its glume. Anthers linear, 1 

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

 Nees. 



Mexico, Palmer 1368. 



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



