Fic. 346. PANICUM PHILADELPHICUM Bernh. in Trin. Gram. 
1826, as synonym; Nees, Agrost. Bras. 198, 1829. (Panicum diffusum 
Am. Sept. 1: 68. 1814. Not Swartz. 1788; P. capillare minus Muhl. 
1817. Not P. pubescens minor Poir. in Lam. Encycl. 4: 272. 1816; nor 
Gatt. Te 
P. Scribn. Bul. Torr. Bot. Club. 20: 416. 1893.) WIRY 
GRASS.—A rather slender, erect annual 3-6 dm. (19-29) high, branchin 
base, with flat leaves, capillary panicles, and rather distant spikelets. 
pilose or bearded at the nodes; 
ö . Spik 
acute, or acuminate; flowering glume (d) narrowly oblong, obtuse. 
moist and dry sandy soils, Pennsylvania and Michigan south 
and Mississippi. July to October. 
