90 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



13. Glyceria striata (Lam.) Hitchc. FOWL MANNAGRASS. (Fig. 

 145.) Plants in large tussocks, pale green; culms 

 erect, slender, rather firm, 30 to 100 cm tall, some- 

 times taller; blades erect or ascending, flat or folded, 

 moderately firm, usually 2 to 6 mm wide, sometimes 

 to 9 mm; panicle ovoid, open, 10 to 20 cm long, nod- 

 ding, the branches ascending at base, drooping, naked 

 below; spikelets ovate or oblong, 3- to 7-flowered, 3 to 

 4 mm long, often purplish, somewhat crowded toward 

 the ends of the branchlets; glumes about 0.5 and 1 mm 

 long, ovate, obtuse ; lemmas ob- 

 long, prominently 7 -nerved, 

 about 2 mm long, the scarious 

 tip inconspicuous; palea rather 

 firm, about as long as the lemma, 

 the smooth keels prominent, 

 bowed out. 2t (G. nervata 

 Trin.; Panicularia nervata 

 Kuntze.) Moist meadows and 



wet places, Newfoundland to British Columbia, south 

 to northern Florida, Texas, Arizona, and northern Cal- 

 ifornia. A low strict northern form has been called G. 

 FIGURE 141 -oiyce- str ^ ata var - stricta Fernald (G. nervata var. stricta 



na melicana. Scribn.) 



v?ews cle offl*re!, ; x 14. Glyceria elata (Nash) Hitchc. TALL MANNA- 



Main?)^ 671322 ' GRA ss. (Fig. 146.) Resembling G. striata; plants 



dark green; culms 1 to 2 m tall, rather succulent; 



blades flat, thin, lax, 6 to 12 mm wide; panicle oblong, 15 to 30 cm long, 



FIGURE 142. Distribution of 

 Qlyceria melicaria. 



FIGURE H3. Glyceria canadensis. Panicle, X 1; floret, X 10. (Kneucker, Gram. 464, Conn.) 



