WOOTON AND STANDLEY FLORA OF NEW MEXICO. 103 



6. Festuca sororia Piper, Contr. U. S. Nat. Herb. 16: 197. 1913. 

 Type locality: R.mcon Mountains, Arizona. 



Range: Colorado to New Mexico and Arizona. Mountains, in the Transition Zone. 

 New Mexico: Tunitcha Mountains (StarLdleynii); Hillsboro Peak (Metcalfe 1236). 



7. Festuca elatior L. Sp. PI. 75. 1753. Meadow fescue. 

 Festuca pratensis Huds. Fl. Angl. 37. 1762. 



Type locality: "Habitat in Europae pratis fertilissimis." 



Range: Native of Europe, widely introduced into the United States, sometimes 

 cultivated for hay. 

 New Mexico: Harveys Upper Ranch; Winsors Ranch; Mesilla Valley. 



68. PANICULARIA Fabr. Manna grass. 



Tall aquatic perennials with flat leaves and usually diffuse terminal panicles; 

 spikelets few to many-flowered, terete or slightly flattened, in narrow or spreading 

 panicles; rachilla jointed between the florets, usually smooth; glumes unequal, 

 shorter than the lemmas, obtuse or acute, 1 to 3-nerved; lemmas smooth or scabrous, 

 rounded on the back, herbaceous except at the scarious and usually bkmt apex, 5 to 

 9-nerved, the nerves usually prominent; palea a little shorter than the lemma, 

 2-nerved; stamens 2 or 3; styles short, distinct; grain oblong, smooth, free, or when dry 

 slightly adherent to the palea. 



KEY TO THE SPECIES. 



Spikelets linear, 12 mm. long or more 1. P. borealis. 



Spikelets ovate or oblong, 6 mm. long or less. 



Spikelets 3 mm. long or less; branches of the panicle drooping 2. P. nervata. 



Spikelets 4 to 6 mm. long; branches of the panicle ascending or 



spreading 3. P. grandis. 



1. Panicularia boreaHs Nash, Bull, Torrey Club 24: 348. 1897. 

 Glyceria borealis Piper, Fl. Palouse 27. 1901. 



Type locality: Van Buren, Maine. 



Range: Alaska and Maine to California, New Mexico, and New York. 

 New Mexico: Tunitcha Mountains (Standley 7540). In swamps, in the Canadian 

 Zone. 



2. Panicularia nervata (Willd.) Kuntze, Rev. Gen. PI. 2: 783. 1891. 

 Poa nervata Willd. Sp. PI. 1 : 389. 1797. 



Glyceria nervata Trin. Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 1: 365. 1830. 



Type locality: "Habitat in America boreali." 



Range: British America to California, Mexico, and Florida. 



New Mexico: Chama; Tunitcha Mountains; Winsors Ranch; Rio Pueblo; Santa 

 Fe Canyon; Mogollon Creek; Wheelers Ranch. In wet ground, iij the Transition 

 Zone. 



3. Panicularia grandis (S. Wats.) Nash in Britt. & Brown, Illustr. Fl. ed. 2. 1: 



265. 1913. 

 Poa aquatica americana Terr. Fl. North. & Mid. U. S. 1: 108. 1824. 

 Glyceria grandis S. Wats, in A. Gray, Man. ed. 6. 667. 1890. 

 Panicularia americana MacM. Met. Minn. Val. 81. 1892. 

 Type locality: Northeastern United States. 

 Range: British America to Nevada, New Mexico, and Tennessee. 

 New Mexico: Pecos; Taos; Las Vegas; Albuquerque; Middle Fork of the Gila. 

 Wet ground, in the Transition Zone. 



