PANICE.E. 121 



lines. Eeverclion distributed this as Sefaria uniseta. Nearly 

 allied to P. fasciculatuni aud joining Panicum and Chammriphis. 

 Mexico, Pringle 381, 2377 ; Texas, Wright 1849, Reverchon 

 792, 1096. 



26. P. Myosurus Rich. Act. Soc. Hist. Nat. Par. 1:106 (1792). 

 P. Myurus Lam. 111. 1: 172 (1791). Hi/)nenachiie Myurus Heanv. 

 Agrost. 49, t. 10: f. 8(1812). 



Culms erect, robust, without cavity. Sheaths smooth, but litile 

 shorter than the interuodes (at least above) ; ligule broad, entire, 

 1.5 mm. long; blades cordate, with clasping base, lanceolate-linear, 

 some near the top, 30-40 cm. long, 3-5 cm. Avide. Panicle 

 cylindrical, dense, slightly branching near the base, 20-30 cm, 

 long, 8-12 mm. broad. Spikelets linear, acuminate, 4.5 mm. long, 

 first glume broadly ovate, 3-nerved, about 1.5 mm. long, second 

 and third, 5-nerved; floret acute at both ends, 3 mm. long, floral 

 glume and palea thin, the former delicately 3-nerved. 



Martinique, Hnhn 1259; Mexico, Palmer 1259. 



Mexico, West Indies to Brazil, East Indies. 



27. P. MOLLE Sw. Prod. 22 (1788). Para-gkass. P. har- 

 himde Trin. Mem. Acad. St. Petersb. (YI.) 3:2, 256 (1835). 



A stout ascending or erect perennial, sparingly branched, 

 60-180 cm. high, nodes villous. Leaf-blades 20-30 cm. long, 

 1-1.5 cm. wide, flat, glabrous, or with a few soft, short hairs. 

 Panicle loose, 1-sided, 20 cm. long, purplish, lead-colored, the 

 lower branches 8-10 cm. long, simple or branched, the upper 2 

 cm. long. Spikelets glabrous, subsessile in clusters of 2-4 or single 

 on 2 sides of a rough, flexuous, triquetrous rachis, oval or elliptical, 

 acute, 3 mm. or more long, containing a staminate and a perfect 

 flower; first glume deltoid, membranous. 1 -nerved, 1 mm. long; 

 second membranous, obtuse when spread, 5-nerved ; floral glume of 

 the lower floret like the second empty glume ; j^alea ellij^tical, 

 hyaline, 2-nerved ; floral glume and palea of the perfect flower firm, 

 obtuse. 



Alabama, Mohr in 1883. 



Introduced into Alabama from South America and succeeds 

 well on low lands. 



