AtilJOSTIDK.K. ',>r»7 



Soutli Carolina, linn-nel; Florida, J. II. Curliss \VH)\\ 'rcxas, 

 11 ■/•//////. 



;}:.. M. Pringlei Scribn. liull. Torr. Club. !): S!» (lSS->). 



A sU'ikUt erect nitluT rigid di'iisi'ly-tufled ]>i'roiiiiiiil, .">()-40 

 cm. liigli. Shcatliri loii<,'cr tliun tlic iiitcriiodcM; li^Milc broad, dc- 

 (!urrt'iit. irrei^Milurly cut. I mm. lotij;: l)ladt's involute, lilit'orm. sca- 

 brid, al)out 7 to cucli culm. (i-lT) cm. \in\\i, tbc lower ones sliorlcr. 

 Panicle slender, contracted, ratber detiselv llowered. G-10 cm. lonj;. 

 Spikeletri subscssile or on sbort pedicels, empty glumes subcfpial. !- 

 nerved, witb slender ucumimite points, 2-.*J mm. b)ng; tloral glume 

 laiu'eolate. nearly or fpiite smootb at tbe base. ;}-nerved, scabrous 

 on tlio keel above, 15-4 mm. long, the awn H-lt» mm. long: paleu 

 nearly as long as its glume. 



Arizona, /'n'tit/lc. 



;}G. M. parviglumis Vasey, Monog. CJrasses U. S. and lirit. 

 Am. 71 (ISlio): Contrib. U. S. Xat. Herb. :5:71 (lWf2). 



A branching scabrous grass, 50-70 cm. high. Slicatbs rather 

 loose, the lower ones longer than the internodes; ligule luscerate, 

 2.5 mm. long; blades flat or involute. 4-8 cm. long, about 2 mm. 

 wide. Panicle partially enclosed, narrow, thin, 15-20 cm. long, 

 rays single or the lower in twos, branching and flower-bearing to 

 the base. Empty glumes 1-nerved. subequal or niu>qual 0.5-0.8 

 mm. long: floral glume liiu'ar-lanceolate. 3 mm. long. ;}-nerved, 

 pilose below, scabrous above, awn just below the acute bitid a[)ex; 

 awn hyaline, straight, 20-30, mm. long, 



Texas, \eiiJh\i/. 



37. M. longifolia Vasey, Contrib. U. S. Xat. Mus. 1 : 2S3 

 (1893). 



An erect light-green sto.it tufted perennial, 120-180 cm. 

 high. Culms hard but hollow. Sheaths sometimes spreading 

 from the culm, slightly involute; ligule stout, decurrent. 2-0 

 mm. long; blades of the cului scabrous, convolute or conduplicate, 

 80-100 cm. long, 0.5-1 mm. diam., with very long slender i)oints. 

 Panicle yellowish brown, linear-lanceolate (or spreading?). 40-60 

 cm. long, rays scattered, appressed, capillary, branc'hing, mostly 

 flower-bearing on the terminal half, the longest 10-15 cm. long. 



