GRASS FAMILY 



21; 



5. Panicularia nervata (Willd. ) Kuntze. 

 Fowl Manna-grass. Fig. 495. 



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



GIvccria nervata Trin. Mem. Acad. St. Petersb. VI. Math. 



'Phys. Nat. 1: 365. 1830. 

 Paiiicidaria nervata Kuntze, Rev. Gen. PI. 1: 783. 1891. 



Culms erect, smooth, 30-100 cm. tall ; sheaths 

 smooth or retrorsely scabrous ; blades erect or some- 

 what spreading, smooth or somewhat scabrous ; 5-20 

 cm. long, 1-3 mm. wide, panicle ovate, open, 7-20 

 cm. long, the branches naked below, ascending and 

 somewhat drooping ; spikelets oval, 2-3 mm. long, 

 mostly 4-6-flowered, often purplish ; glumes very 

 short, the second about 1 mm. long, the first shorter ; 

 lemmas broad and obtuse above, prominently 7- 

 nerved, slightly scarious at apex, about 2 mm. long ; 

 palea large, about as long as the lemma. 



Marshes and wet places in the Transition Zone; Xew- 

 fonndland to Florida, and west to eastern Washington and 

 Oregon. June— Aug. Type locality: North America. 



6. Panicularia data Xasli. 

 Tall Manna-grass. Fig. 496. 



Panicularia elata Nash in Rydb. Mem. N. Y. Bot. Card. 1: 



54. 1900. 

 Glyceria latifolia Cotton, Bull. Torrey Club 29: 573. 1902. 

 Panicularia nervata elata Piper, Contr. U. S. Nat. Herb. 11: 



140. 1906. 

 Glyceria elata Hitchc. in Jepson, Fl. Calif. 1: 162. 1912. 



Culms erect, smooth, succulent, 1-2 meters tall; 

 sheaths scabrous ; blades flat, usually 6-10 mm. or 

 sometimes only 4 mm. wide, scabrous ; panicle large 

 and diffuse, becoming oblong, 15-30 cm. long, the 

 l)ranches naked below, the lower usually reflexed 

 at maturity ; spikelets 3-5 mm. long, oblong oi 

 ovate-oljlong, usually 6-8-flowered ; glumes broad, 

 obtuse, much shorter than the lower lemmas, nerve 

 less, the first about 1 mm. long ; lemmas firm, 

 obovoid, obtuse, or acutish, prominently 7-nerved, 

 the apex distinctly scarious. 



Wet meadows, springs, and shady moist soil in woods, in 

 the Coast Ranges to the Bay region, in the Sierra Nevada, 

 and the high southern mountains, north to British Colum))!;! 

 md east to Idaho. June-Aug. Type locality: Montana. 



This may be only a variety of P. ner-,ata, but in our aie.i 

 it appears distinct. 



7. Panicularia grandis ( S. Wats.) Nash. 

 Reed Manna-grass. Fig. 497. 



Poa aquatica americana Torr. Fl. North & Mid. U. S. 1: 



108. 1823. 

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



'1890. 

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

 Panicularia grandis Nash in Britt. & Brown, Illustr. Fl. 

 ed. 2. 1: 265. 1913. 



Culms erect, rather stout, glabrous, 1-2 meters 

 tall; sheaths smooth or slightly scabrous; blades 

 flat, glabrous beneath, scabrous above, 15-35 cm. 

 long, 6-15 mm. wide; panicle 20-40 cm. long, open, 

 the branches spreading, 10-20 cm. long ; spikelets 

 oblong, 4-7-flowered, mostly purplish, 4-6 mm. long ; 

 glumes whitish, the first about 2 mm. long, the sec- 

 ond a little longer ; lemmas oblong, narrowed to 

 an obtuse apex. 



Marshes and wet soil, in the Transition Zone; Nova 

 Scotia to Alaska, south to Pennsylvania, Colorado and east- 

 ern Oregon. June-Aug. Type locality: Massachusetts. 



