6b. Not as above 9 



W' 



.I'llljll' 



7a. Blade green except for midrib white above 



246. Miscanthus sinensis — Eulalia 



Leaves rolled in bud-shoot; sheath round, smooth or occasionally short 

 hairy, split with overlapping hyaline margins; auricles absent; collar 

 broad, hairy on margins; ligule membranous, 1 to 2 mm. long rounded, 

 ciliate; blade 8 to 18 mm. wide, smooth near base and rough near tip 

 above with a few long hairs near base, smooth below, midrib white above 

 and prominent below, margins rough to very rough and hyaline. Inflores- 

 cence — a fan-shaped, silky panicle. Cultivated for ornament, growing 

 wild in some localities. 

 7b. Blade with yellow or yellowish-white markings 8 



8a. Blade with yellow or yellowish-white stripes 



247. Miscanthus sinensis var. variegatus — Striped Eulalia 



Leaves rolled in bud-shoot; sheath round to somewhat flattened, 

 smooth, split with overlapping hyaline margins; auricles absent; collar 

 narrow; ligule membranous, about 1 mm. long, truncate, ciliate; blade 

 to 14 mm. wide, smooth above with yellow or yellowish-white stripes and 

 short hairy near base, smooth below, margins very rough. Inflorescence 

 — a fan-shaped, silky panicle. Cultivated for ornament. 



8b. Blades with irregular yellowish cross-bands 



248. Miscanthus sinensis var. zebrinus — Zebra Grass 



Leaves rolled in bud-shoot; sheath round to somewhat flattened, 

 smooth or hairy, split with overlapping margins hyaline or hairy; auricles 

 absent; collar narrow to broad, divided, hairy on margins; ligule mem- 

 branous, 1 to 1.8 mm. long, rounded, mostly ciliate; blade to 18 mm. 

 wide, long hairy near base above with midrib white, and with irregular 

 yellowish cross-bands, smooth below with midrib prominent, margins 

 very rough and hyaline. Inflorescence — a fan-shaped, silky panicle. Cul- 

 tivated for ornament, occasionally growing wild. 



9a. Plants of wet land 10 



9b. Plants not generally found on wet land 11 



1 0a. Blade rough above, mostly with a few long hairs near base 



249. Erianthus contortus — Bent-awn Plumegrass 



Leaves rolled in bud-shoot; sheath round, smooth, sometimes with a 

 few hairs at top, split with overlapping hyaline margins; auricles absent; 

 collar narrow, divided, may be long hairy on margins; ligule membra- 

 nous, 1 to 2 mm. long, truncate, ciliate; blade 10 to 20 mm. wide, sparsely 

 long hairy near base above with midrib whitish or reddish, smooth below 

 with midrib prominent, margins rough and sometimes long hairy. In- 

 florescence — a narrow, dense, silky, brownish panicle. Coastal Plain, 

 Delaware south. Moist sandy land. 



70 



