392 POACE.E. 



brown, 5-8 mm. long, twisted two to three times around: palea 

 broad, less than 3 mm. long. Flowers sometimes eleistogamous, 

 as discovered by C. G. Pringle. See Am. Jour. Sei. p. 71, Jan. 



N'erniont, Prinylc; Massachus'.-tts, Beat 85; New York, 

 (,'U)it(jn for Clark 14 IT; Pennsylvania, Scribner for U. S. Dept. 

 Agricul. 403; Michigan, Cooley, Beal 84, Wooil, Wheeler, Far- 

 well; Miniicsuta, Jidilci/ \2. 



New Eiighmd to Minnesota and Texas, dry sterile soil. 



5. D. compressa Austin. J'eck in 22d Kept. Reg. N. V. State 

 Univ. 54 (18G!»). A Alleiii Anst'm, Bull. Torr. Club, 3: 21 (1872). 



Culms tufted, slender. 10-20 cm. high. Sheaths nake<l, with 

 silky liuirs at the throat; blades narrow, long, the lower ones often 

 rcaehing to the panicle. Si)ikelets about 10, in a narrow panicle, 

 5-7-llowered, empty glumes equal, reaching to the top of the florets, 

 10-11 mill, long, o-nerved ; floral glume broad. 7 -nerved, over 3 

 mm. long, silky hairy on the back and near the base and margins, 

 teeth ;)-4 mm. long with an awn twice its length, making two 

 turns: jialea broad, reaching to the biise of the teeth of its glume, 

 obtuse, with numerous tine short hairs on the nerves. 



N'ermont, FruKjle; North Carolina (Koan Mt.), Scribn., 490, 

 CnrtisH 3541*. 



Found with D. Kpicala in the mountains of North Carolina, 



New England, New York, IVnnsylvania, mountains o<" I\orth 

 Carolina. 



\'ery likely this has been confused with the foi*mer species in 

 other localities. 



0. D. intermedia Vasey. Bull. Torr. Club. 10: 52 (1883). 



Culms 30-50 cm. high, leafy below; ligule a hairy ring: blades 

 of sterile shoots 15-25 cm. long, narrow. Panicle narrow, dense, 

 about 4 cm. long. Spikelcts 5-fiowered; empty glumes broad, 

 nearly equal, 12 cm. long, 5-nerved. with cross veins: floral glume 

 7-nerved. 5-G mm. to base of teeth, which are 1-1.5 mm. long, 

 smooth on the back, silky hairy near the margins; palea reaching 

 to near the middle of the teeth of its glume, 2-toothcd. GraiL V-.S 

 mm. long, flattened, obovate. 



