126 



Fig. 120. SPOROBOLTJS LONGrFOLruS (Torr.) Wood, Class-book, 775. 

 1861. (^(/ro.*^/.? ^o/^^/^/o^m Torr. FLU. S. 1:90. 1824.) LONG-LEAFED SPORO- 

 BOLUS.— A stout perennial 3.5-10 dm. (l°-3°j high, with very long, attenuate- 

 pointed leaves, and strict, spike-like panicles 8-25 cm. (3'-10') long, which are 

 more or less included in the inflated leaf-sheaths. Spikelets (a, 6) 4-5 mm. 

 (2"-2i") long; empty glumes unequal, scabrous on the keel above, obtuse or 

 subacute; flowering glume scabrous on the keel, obtuse, equaling or a little 

 shorter than the obtuse palea.— Dry, sandy soil, Maine to Pennsylvania, South 

 Dakota, and Utah, south to Texas and Florida. August to October. 



