MANUAL OF THE GRASSES OF THE UNITED STATES 



395 



Figure 556. — Muhlenbergia brachyphylla. 

 Plant, X 1 ; glumes and florets, X 10. 

 (V. H. Chase 3759, 111.) 



mm. wide; panicles numerous, short- 

 exserted or partly included, terminal 

 and axillary, the larger as much as 10 

 cm. long (the axillary shorter), nar- 

 row, sometimes rather loose, the 

 branches ascending, mostly densely 

 flowered from the base; glumes 2 to 3 

 mm., rarely to 4 mm., long, tapering 

 into an awned tip, subequal or un- 

 equal, shorter than the floret, or the 

 second glume exceeding it; lemma 2 to 

 3 mm. long, pointed, short-pilose at 

 base. 91 (Described under M. 

 mexicana in Manual, ed. 1.) — Thick- 

 ets, low ground, and waste places, 

 New Brunswick to North Dakota, 

 south to Georgia and Texas. 



Muhlenbergia frondosa forma 

 commutata (Scribn.) Fernald. Lem- 

 mas awned. % — Quebec and 

 Maine to South Dakota, south to 

 Virginia and Missouri. May be dis- 

 tinguished from the awned forms of 

 M. mexicana by the culms smooth be- 

 low the nodes. 



39. Muhlenbergia glabriflora 

 Scribn. (Fig. 558.) In habit resem- 



Figure 557. — Muhlenbergia frondosa. Plant, X 1; 

 glumes and floret, X 10. (V. H. Chase 1166, 111.) 



