118 



Fig. 112. BRACHYELYTRUM ERECTUM (Schreb.) Beauv. Agrost. 39. 1812. 

 { Muhlenberg ia erecta Schreb. Besch. Gras. 2 : 139, pZ. 50. 1810; B. aristatum R. & S. 

 Syst. 2: 413. 1817.) BEARDED ,SHORT-HUSK.— A perennial with simple 

 culms 3-9 dm. (l°-3°) high, flat, spreading leaf-blades and few-flowered, simple, 

 terminal panicles &-15 cm. (2'-6') long. Nodes and sheaths pubescent. Leaf- 

 blades 7-15 cm. (3'-6') long, 12-14 mm. (6"-7") wide. Spikelets (o) 10-12 mm. 

 (5"-6") long; empty glumes (c) very unequal, the first minute; flowering glume 

 (6) &-12 mm. (4"-6") long, ciliate-scabrous along the prominent nerves; awn 

 straight, 18-25 mm. (9"-12") long. Palea (a) about as long as its glume. Rachilla 

 continued behind the palea as a slender, naked bristle, one-half to two-thirds 

 as long as the palea.— Open, rocky woods, Newfoundland to North Carolina, 

 Alabama, Missouri, Minnesota and Ontario. May to August. 



