3b. Ligule not more than .6 mm. long 



35. Eragrostis pcctinacea — Pink Lovegrass 



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

 smooth, hairy at top or throat, split with overlapping hyaline margins; 

 auricles absent; collar narrow, hairy on margins; ligule a fringe of hairs, 

 about .6 mm. long; blade to 3 mm. wide, rough above, smooth below and 

 keeled near base, margins rough and hyaline. Inflorescence— a. delicate, 

 open panicle. Throughout. Fields, open ground and waste places. 



4a. Sheath closed to near top 



36. Bromus mollis — Soft Chess 



Leaves rolled in bud-shoot; sheath round, soft dense long hairy, closed 

 to near top; auricles absent; collar narrow, divided, hairy, margins hairy; 

 ligule membranous, 1.2 to 1.7 mm. long, rounded, toothed; blade to 3 

 mm. wide, long white hairy above, long hairy below, margins rough and 

 long hairy. Inflorescence— an erect, contracted crowded panicle. 

 Throughout, not common. Waste places and cultivated soil. 



4b. Sheath split to base 



37. Danthonia spicata— Poverty Oatgrass 



Leaves folded in bud-shoot; sheath round, long hairy, split; auricles 

 absent; collar narrow, often indistinct, long hairy on margins; ligule a 

 fringe of hairs, to 1.2 mm. long; blade 2 to 3 mm. wide, smooth or sparse- 

 ly long hairy above and below, sometimes glossy below, margins at least 

 slightly rough. Inflorescence—* narrow panicle with stiff, short branches 

 bearing one spikelet. Common throughout. Dry and sterile or rocky 

 soil. 



5a. Ligule 1 mm. or less long 



1 2 

 5b. Ligule more than 1 mm. long 



6a. Ligule membranous 



6b. Ligule a fringe of hairs 

 38. Spartina patens — Salt-meadow Cordgrass 



Leaves rolled in bud-shoot; sheath round, smooth, split with over- 

 lapping hyaline margins; auricles absent; collar broad; ligule a fringe of 

 hairs, .4 to 1 mm. long; blade 2 to 3 mm. wide, bristle-like, rough above 

 and on margins, smooth below. Inflorescence— 2 to several comb-like 

 spikes forming an appressed to open panicle. Maine south. Brackish 

 marshes and beach sand along coast. 



7a. Blade 1 to 2 mm. wide 



7b. Blade 2 to 3 mm. wide 1 1 



8a. Blade flat 9 



• 17 



