48 POACEAE. 



62. PANICULARIA Fabr. Manna-grass, Reed Meadow-grass. 



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



Flowering glumes slightly if at all scarious and entire at the apex. 

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



I. P. nervata. 

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



^. P. dtnericana. 

 Flowering glumes with broad, dentate, scarious margins. 



Spikelets 4-6-flowered. 3. P. pauciflora. 



Spikelets 2-3-flowered. 4. P. Holmii. 



Spikelets linear, 12 mm. or more long. 5. P. borealis. 



I. Panicularia nervata (Willd.) Kuntze. {Glyceria nervata Trin.) In 

 wet meadows and swamps from Lab. to B. C, Fla. and Calif.; also in Mox. 

 — Alt. 4000-9000 ft. — Manitou; Crystal Park; mountains of Larimer Co.; 

 Democrat Mountain ; near Pagosa Peak ; Pagosa Springs ; Dome Rock Val- 

 ley; Placer, Costilla Co.; Bosworth's ranch; Happy Hollow; Pagosa Springs. 



■i. Panicularia americana (Torr.) MacM. {G. aquatica Coult. ; not Smith) 

 In swamps and along streams from N. B. to Alaska, Tenn. and Nev. — Alt. 

 4000-8500 ft. — Mancos ; mountains, Larimer Co. ; Denver ; Fort Collins ; 

 Pleasant Grove; New Windsor, Weld Co.; Saguache Creek; LaVeta; Bax- 

 ter's ranch ; cafion west of Palmers Lake ; Table Rock ; Bosworth's ranch. 

 Stove Prairie; Pagosa Peak. 



3. Panicularia pauciflora (Presl) Kuntze. (G. pauciAora Presl.) In wet 

 meadows from Mont, to B. C, Colo, and Calif. — Alt. 9000-10,500 ft. — Bob 

 Creek, west of Mt. Hesperus; near Pagosa Peak; Chester; near Chambers' 

 Lake; east slope of Rabbit-Ear Range; mountains northeast of Dolores; 

 Pagosa Peak. 



4. Panicularia Holmii Beal. Dense thickets in Colo. — Alt. about 8500 ft. — 

 Lamb's ranch, Long's Peak (Beal). 



5. Panicularia borealis Nash. In shallow' water from Me. to Alaska, N. 

 Y., Colo, and Calif. — Alt. 5000-8500 ft.— Cerro Summit; Buffalo Pass Road, 

 Routt Co. ; Boulder. 



63. P0CCINELLIA Pari. Meadow-grass. 



i. Puccinellia airoides (Nutt.) Wats. & Coult. (Glyceria distans Coult.; 

 in part.) In wet meadows, especially in alkaline soil, from Man. to Macken- 

 zie River, B. C, Kans. and Nev. — Alt. 4000-11,000 ft. — Buena Vista; lola; 

 Gunnison; Fort Collins; South Park; Durango; Alpine Tunnel; Saguache 

 Creek; Doyle's; Georgetown; Colorado Springs; Walsenburg; Boulder; 

 Longmont. 



64. FESTUCA L. Fescue-grass. 



Empty glumes firm, the second 3-s-nerved. 

 Annuals or biennials ; stamens 1-2. 



Spikelets 7-12-flowered; awn not much exceeding the flowering glume in 



length, often much shorter. i. F. octoAora. 



Spikelets 1-7-flowered; awn much longer than the body of the flowering 

 glume. 2. F. microstachys. 



Perennials ; stamens 3. 



