f)l-> 



I'OACK.K. 



short; blades IliU, :•()-»;() cm. luiiii', 1-1.5 oin. widt'. J'liniclo 

 vei-\ siiii])lt'. ir)-".'0 cm. long, rays siiigk', IVw ami 

 few-llo\verc(]. S|iik('lnts sliortly pedicellate, ol)- 

 luiiU'ly ciirviii",' from tlio axis: first empty glimio 

 2-2.5 mm., second aliont -l.'t mm. long; floral 

 glume 4 mm. or more long, besides the point. 

 Grain compressed, semi-oval, 4.5 >nm. long. 



Indiana, /'riiif/fr, lival. 



Sliady river-l»anks and rich woods, Ohio to 

 Illinois and southward. " Rare in Michigan, a3 

 far north as JIubbardaton, Ionia County." (J. 

 F. Wheeler. 



lir. {'lAW). Zeuoites I*. Hr. Hist. .Tamaic. 

 341 (1750): Schrub. (ien. IM. Sl()(i:()|). Se- 

 )ii/rs Adans. Kam. 2::5!i (K'ti;',). /hs/im'-ia 

 pus (ii<ni(lnts. '^'""h, l{e\ . Gram. 2: 4iS5 (IH.U)). hraiiih- 



S|.ik(l(t (Kicli- i,„j..j„, i»np,.. ii„ii. Acad. Hrux. !i:(2). '.'47 



unison.) ^ ^ ' 



(1S42). 



S[(ikelets many-flowered, panitnihite, rachilla continuous or 

 tardily articulate under the fertile floret, the lower flower female, 

 the upper ones male. Kmpty glumes delicately membranous, 

 many-nerved, very broad, slightly unequal, the apex round, trun- 

 cate, often sub-denticulate, awidess, usually with transverse nerves; 

 floral glume with transverse nerves, en<;losing the fenudc* flower, 

 larger, sometimes mucronate, those of the nuile flowers nari-ower, 

 mucronatc; palea narrow, hyaline, 2-keeled. Stamens in the 

 male flowers 15. Styles of the female flowers distinct. Grain 

 oblong, enclosed l)y the glume and palea, but not ad!;erent to 

 them. 



Branching grasses, usually tall with very broad blades having 

 short petioles, the blade reticulate-nerved. Pai\icle terminal, open 

 or dense. There are five or six si)ecies dispersed in Mexico, West 

 Indies, and South America. 



1. Z. latifolia (Fourn.) Benth. Knimbhnlzia hitifulia Fourn» 

 Bull. Soc. Bot. Belg. 15:4r,4 (isrc). 



A robust grass, 2-3 m. high from thick rootstocks. Slu-atba, 



