FESTUCE.E. 563 



U. S. Geol. Surv. 6:294, t. 27 (1878). Trisetum subs^ncatimi 

 var. mtUicum J^oland. S. Wats. Bot. Calif. 2:296 (1880). 

 Trisetum Bramlegei Scrib. iiied. 



Culms and blades like those of G. melicoideum. Panicle up- 

 right, subspicate, 6-18 cm. long, Spikelets 2-3-flowered, rarely 4- 

 flowered^ purplish, rachilla villous, empty glumes ellij^tical-lanceo- 

 late, nearly equal, about 6 mm. long, first 1 -nerved, second 3- 

 nerved; floral glume of a large floret over 5 mm. long, less tlian 2 

 mm. wide, obscurely D-nerved, obtuse, lacerate, sometimes split or 

 2-toothed, bearing an awn often 1 mm. long; palea shorter or 

 nearly equal to its glume. Grain oblong, linear. Very nearly 

 allied to G. melicoidevm, and jierhaps only a large form having 

 awns on the floral glume. 



Montana, WilUains; Colorado, French', Oregon, Cusick 1314. 



Montana, Colorado, Oregon, California. 



131. (250). Panicularia Fabr. Enum. PL Ilort. Ilelmst. 373 

 (1763). Glyceria U. Br. Prodr. 179 (1810). HydrocUoa Hartm. 

 Gram. Skand. 8 (1819), not Beauv. (1812). Exydra Endl. Fl. 

 Poson. 119 (1830). Devauxia Beauv. Kuutli, Enum. PI. 1 : 367, in 

 syn. (1833). DiacUroa Xutt. Steud. Nom. Ed. 2, 1:497 (1840). 

 PuccinelUa Pari. Fl. Ital. 1:366 (1850). Porroteranthe Steud. 

 Syn. PI. Gram. 287 (1854). 



Spikelets several-flowered, pedicellate in a narrow or spreading 

 panicle, rachilla articulate iinder the floral glumes, glabrous or 

 rarely hairy. Empty glumes obtuse or acute, unawned, sliglitly 

 unequal, shorter than the floral glume, without nerves or 3-5- 

 nerved; floral glume obtuse, imawned, convex or flatfish on the 

 back, nerves 3-9, consjjicuous, the nerves not reaching to the 

 hyaline, obtuse, sometimes slightly denticulate apex ; palea nearly 

 as long as its glume, 2-keeled. Stamens 3. Styles very short, 

 distinct, the plumose stigmas frequently more branched than in 

 other genera. Lodicules truncate. Grain glabrous, grooved on 

 the inner side, enclosed in the glume and palea, free from them or 

 slightly adherent. 



Perennials or rarely annuals, often tall, not unfrequently 

 aquatic, sheaths nearly entire, blades usually flat. 



