WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 103 
6. Festuca sororia Piper, Contr. U. 8. Nat. Herb. 16: 197. 1913. 
Type Locatity: Rincon Mountains, Arizona. 
RANGE: Colorado to New Mexico and Arizona. Mountains, in the Transition Zone. 
New Mexico: Tunitcha Mountains (Standley 7714); Hillsboro Peak ( Metcalfe 1236). 
7. Festuca elatior L. Sp. Pl. 75. 1753. MEADOW FESCUE, 
Festuca pratensis Huds. Fl. Angl. 37. 1762. 
Type Loca.iry: ‘‘Habitat in Europae pratis fertilissimis.’’ 
Rance: 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 blunt 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................----+----------- L. 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......-.-.....2- 222-2 e eee eee eee ee eee eee 3. P. grandis, 
“ 1. Panicularia borealis Nash, Bull. Torrey Club 24: 348. 1897. 
Glyceria borealis Piper, Fl. Palouse 27, 1901. 
Type Locauiry: Van Buren, Maine. 
Ranaz: 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. Pl. 2: 783. 1891. 
Poa nervata Willd. Sp. Pl. 1 : 389. 1797. 
Glyceria nervata Trin. Mém. Acad. St. Pétersb. VI. Math. Phys. Nat. 1: 365. 1830. 
Type Locauity: ‘‘ Habitat in America boreali.”’ 
Rance: 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, in the Transition 
Zone. 
8. Panicularia grandis (S. Wats.) Nash in Britt. & Brown, Illustr. Fl. ed. 2. 1: 
265. 1913. 
Poa aquatica americana Torr. Fl. North. & Mid. U. 8. 1: 108. 1824. 
Glyceria grandis 8. Wats. in A. Gray, Man. ed. 6. 667. 1890. 
Panicularia americana MacM., Met. Minn. Val. 81. 1892. 
Type LocaLity: Northeastern United States. 
Rance: 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. 
