51-2 



POACE.E. 



short; blades flat, 30-60 cm. loug, 1-1.5 cm. wide. Panicle 

 very simple, 15-"20 cm. long, rays single, few and 

 few-flowered. Sjnkelets shortly pedicellate, oIj- 

 liquely curving from the axis; first empty glume 

 2-3.5 mm., second al)0ut 3.5 mm. long; floral 

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

 Grrain compressed, semi-oval, 4.5 mm. long. 



Indiana. Pr ingle, Beal. 



Shady river-l)anks and ricli woods, Ohio to 

 Illinois and southward. " Rare in Michigan, as 

 far north as Hubbardstou, Ionia County." C. 

 F. Wheeler. 



117. (343). Zetjgites r. Br. Hist. Jamaic. 

 341(1756); Schreb. Gen. PI. 810(1791). Se- 

 nites Adans. Fam. 3:30 (1763). Despretzia 

 "^^^''--Sr Kunth, Rev. Gram. 3:485 (1830). Kro>nb- 



Spikelct. (Rich- /^^/^.,v, Hupr. Bull. Acad. Brux. 0:(2). 347 

 urdsoii.) 



(1S42). 



S})ikelets many-flowered, paniculate, rachilla continuous or 

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

 tlie upper ones male. Empty glumes delicately membranous, 

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

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

 floral glume with transverse nerves, enclosing the female flower, 

 larger, sometimes mucronate, those of the male flowers narrower, 

 mucronate; palea narrow, hyaline, 3-keeled. Stamens in the 

 male flowers 3. Styles of the female flowers distinct. Grain 

 oblong, enclosed by the glume and palea, but not adl:erent to 

 them. 



Branching grasses, usually tall Avith very broad Ijlades having 

 short petioles, the blade reticulate-nerved. Panicle terminal, open 

 or dense. There are five or six species dispersed in Mexico, '\\'est 

 Indies, and South America. 



1. Z. latifolia (Fourn.) Benth. Kronibliohia latifoJia Fourn. 

 Bull. Soc. Bot. Belg. 15:464 (IS76). 



A robust grass, 3-3 m. high from tbick i-ootstocks. Sheaths. 



