MANUAL OF THE GRASSES OF THE UNITED STATES 



93 



about 2.5 mm long; palea rather thin, about as long as the lemma. 

 91 (Panicularia americana MacM.) — Banks of streams, marshes, and 



Figure 148.— Glyceria grandis. Panicle, X 1; floret, X 10. (Pearce, N.Y.) 



wet places, Prince Edward Island to Alaska, 

 south to Tennessee, Ohio, Iowa, Nebraska, New 

 Mexico, and eastern Oregon (fig. 149). 



Glyceria nubigena W. A. Anderson. Similar 

 to G. grandis; culms more slender and less suc- 

 culent; spikelets 3- to 5-flowered; glumes 

 purplish, not pale and translucent as in G. 

 grandis; lemmas on the average longer and 



Figure 149— Distribution of 

 Glyceria grandis. 



Figure 150— Glyceria pallida. Plant, X l; floret, X 10. (Pearce, N.Y.) 



wider, the nerves farther apart and less prominent; palea firmer, 

 rather coriaceous. 21 — Boggy openings in forest, Clingmans 



