492 POAC'EJB. 



narrow, racemose, 8-12 cm. long. Spikelcts l-flowered, first glume 

 narrow, scabrid, 1.7 mm. long, second narrowly obovate, 2 mm. 

 long; floral glume scabrous, ollij)tical wlien spread, 2.^.' mm. long, 

 someti;'jes bearing a bent awn on the back 2 mm. long, starting 

 onc-lifth of the way below the apex; sometimes 1-2 short bristles 

 on the rachilla. Labelled B. ohtiisala var. lujhridd. 



Judging from the spikelets, it is nearly allied to E. ohlu^ida; 

 from the leaves and panicle to E. Dudhyi. Whether it is a si)ort, 

 or a hybrid between Eutonia ohtusata or E. Dndlviji and Trischim 

 is still a (jiiestion. Those interested will do Avell to read Dr. A'asey 

 as above, in whii-li he speaks of finding near Alexandria, Virginia, 

 a hybi'id grass nearly intermediate between E. Eennsi/hxcnica Gray 

 and Trisctum 2>alnslre L. 



Florida, Curtiss for S. M. Tracy, labelled E. ohtusata var. 

 hijhrida. 



Dry pine- woods, Florida. 



3. E. Dudley! Vasey, Coult. Bot. Gaz. 11:110 (188G). 

 Culms very slender, CO-75 em. high. Sheaths clothed with very 



abort soft hairs; blades of the culm abruptly acute, 3-5 cm. long, 

 those of the sterile shoots scabrous, 8-15 cm. long, 2—1 mm. wide. 

 Panicle very slender, 8-15 cm. long, rays few, short, and mostly 

 appressed. Empty glumes equal, 2.2 mm. long, first linear-obo- 

 vate, second rhombic-obovate when spread; floral glume concave- 

 oval when spread, 2.1 mm. long; rachilla scabrid. It differs from 

 E. Pctinsylvanica in having shorter caidiue leaves, lower sheaths 

 shorter, pubescent, first glume wider and more obtuse, second glume 

 shorter. 



New York (Union Springs, Cayuga County), Heal 97 in 186G; 

 West A'irginia, Small; Michigan, Cooley, Wheeler (Ilubbardston), 

 98, Beat 99. 



Often found on dry land. 



Long Island to Michigan and South Carolina. 



4. E. obtusata (Michx.) A. Gray, :Man. Ed. 2:558 (1856). 

 Aira obtusata Michx. Fl. Bor. Am. 1:02 (1803). Aira truncal a 

 Muhl. Gram. 83 (1817). Kieleria truncata Torr. Fl. U. S. 1 : 116 

 (1824). liehouka ohtumta A. Gray, Man. Ed. 1:591 (181.S). 



