SCHOOLCRAFT COUNTY AND VICINITY 87 



Scirpus americanus Pers. Three-square. Borders of ponds, small 

 lakes and streams. Plentiful. 



Scirpus validus Vahl. Great bulrush. Margins of ponds and streams. 

 Plentiful. 



Scirpus occidentalis (Wats.) Chase. Vicid great bulrush. Wet boggy 

 places and in shallow water about ponds, small lakes, bays of the Great 

 Lakes and along streams. Abundant. 



Scirpus airovirens Muhl. Dark-green bulrush. In. marshy open 

 places and swamps. Common. 



Scirpus cypcrinus pelius Fernald. Wool grass. In wet open prairie- 

 like ground. Common. 



Scirpus airodnctus Fernald. Dark wool-grass. Wet open or partially 

 shaded ground. Frequent. 



Scirpus atrocinctus brachypodus Fernald. Clustered wool-grass. 

 Damp open or partially shaded ground. Frequent. 



Eriophorum callitrix Cham. Hare's-tail. Open bogs. Common. 



Eriophorum gracile Roth. Slender cotton-grass. Swamps and open 

 boggy places. Frequent. 



Eriophorum tenellum Nutt. Rough cotton-grass. Open wet and 

 swampy places. Frequent. 



Eriophorum angustifolium Roth. Tall- cotton-grass. Very wet boggy 

 places and often growing in water. Noticed as plentiful near Floodwood. 



Eriophorum viridi-carinatum (Engelm.) Fernald. Thin-leaved cotton 

 grass. Borders of, and open spots in, tamarack-black spruce swamps. 

 Common. 



Eriophorum virginicum L. Virginia cotton-grass. Open bogs and 

 very wet meadow-like ground. Common. 



Rynchospora fusca (L.) Ait.f . Brown beaked-rush. Damp prairie-like 

 or open boggy ground near Manistique. Plentiful. Prof. C. A. Davis. 

 1905. 



Rynchospora alba (L.) Vahl. White beaked-rush. Wet boggy open 

 ground. Often abundant. 



Cladium mariscoides (Muhl.) Torr. {Mariscus mariscoides (Muhl.) 

 Kuntze). Twig-rush. Bogs, wet open marshy places and wet shores. 

 Often abundant. 



Carex crawfordii Fernald. Crawford's sedge. Dryish open ground. 

 Plentiful. 



Carex albolulescens Schwein. Greenish-white sedge. Damp or dryish 

 open ground near Manistique. Plentiful. 



Carex normalis Mackenzie. (C. mirabilis Dewej'). Larger straw 

 sedge. Dryish open or partially shaded ground. Frequent. 



Carex tenera Dewey. Straw sedge. Frequent in dryish open or par- 

 tially shaded ground. 



Carex bebbii Olney. Bebb's sedge. Low open ground. Frequent. 



