12 C. K. Dodge 



Agropyron' teneriim Vasey. Slender Wheat Grass. — Sandy beach of 

 Lake Superior near Huron Mountain Club. Plentiful. 



Hordeum jubatum L,. Squirrel-tail Grass. — In cities and villages as a 

 weed. A grass introduced from the west. 



Elymus virginicus L. Virginia Wild Rye. — Margins of small streams 

 and hardwoods near Huron Mountain Club. Frequent throughout. 



Elymus canadensis L. Nodding Wild Rye. — Dry sandy ground near 

 Huron Mountain Club. Common throughout. Often plentiful, along the 

 sandy beaches of L,ake Superior where it acts as an efficient sand binder. 



Hystrix patula Moench. (Hystrix hystrix L., Millsp.). Bottle-brush 

 Grass. — Moist shaded ground near Huron Mountain Club. Frequent 

 throughout. 



cypEraceab; 



Dtdichium arundinaceum (L.) Britton. Dulichium. — Borders of ponds 

 and in wet pkces near Huron Mountain Club. Frequent throughout. 



Eleocharis obtusa (Willd.) Schultes. Blunt Spike Rush. — Wet open 

 places near Huron Mountain Club. Noted in great abundance in wet sand 

 near Big Bay. 



Eleocharis palustris (L.) R. & S. Creeping Spike Rush. — In damp, open 

 ground and often in shallow water near Huron Mountain Club. Plentiful 

 throughout. 



Eleocharis palustris vigens Bailey. Large Spike Rush. — Usually in shal- 

 low water on borders of ponds and small lakes. Noticed in pastures as 

 abundant on the margin of Rush Lake. 



Eleocharis acicularis (L.) R. & S. Needle Spike Rush. — Wet muddy 

 shores near Huron Mountain Club. Abundant throughout. 



Eleocharis tenuis (Willd.) Schultes. Slender Spike Rush. — Damp open 

 ground and marshy places. Frequent throughout. 



Scirpus hudsonianus (Michx.) Fernald. {Eriophorum alpinitm L.). Al- 

 pine Cotton Grass. — ^Wet marshy places near Marquette. Plentiful, through- 

 out. 



Scirpus subterminalis Torr. Water Club Rush. — In shallow water on 

 border of Mountain Lake near Huron Mountain Club. Probably frequent 

 throughout. 



Scirpus americanus Pers. Three Square. — Borders of ponds, streams 

 and small lakes near Huron Mountain Club. Plentiful throughout. Stems 

 sharply three-angled. 



Scirpus validus Vahl. American Great Bulrush. — Margins of ponds, 

 streams and small lakes near Huron Mountain Club. Plentiful throughout. 



Scirpus occidentalis (Wats.) Chase. Viscid Great Bulrush. — Borders of 

 lakes and often in 6 or 7 feet of water. Stems 6 to 10 feet long. Frequent 

 throughout. 



Scirpus rubrotinctus Fernald. {S. microcarpus Presl.). Small-fruited 

 Bulrush. — Very wet open places near Marquette and Big Bay. Plentiful. 



Scirpus atromrens Muhl. Dark-green Bulrush. — Bogs and damp mea- 

 dow-like ground near Huron Mountain Club. Plentiful throughout. 



