HIE FLORA OF SCOTT AND MUSCATINE COUNTIES. 267 



Fimbristylis, Vahl. 



878. F. autumnalis, Rocm. &. Schult. 



Wet sandy soil; infrequent. Two forms have been observed; 

 the form found near the Wapsipinicon and Cedar Rivers 

 has low, tufted culms, papillose hairy leaves, compound 

 umbel, and smooth achene ; the form found near Fruit- 

 land is erect, not tufted, with simple umbels, and sculp- 

 tured achene smaller and more obovate. 



878. F. capillaris, Gray. 



Sandy soil ; Fruitland, Noels. 

 Scirpus, Tourn. Bulrush. Club Rush. 



579. S. pungens, Vahl. 



Shores of Mississippi River; frequent. 



580. S. lacusiris, L. 



Sloughs and river shores ; common. 



881. S. sit pi n us, L., var. Ha I Hi, Cray. 

 Fruitland ; rare. 



882. S. atrovirens, Muhl. 

 Common in wet places. 



Eriophorum, L. Cotton Grass. 

 S83. E. lineatum, Benth. & Hook. 



Wet places ; frequent. 

 8S4. E. cypcrinum, L. 



With the last but less frequent. 



885. E. polystacJion, L. 



Swale near Eldridge (two plants); infrequent in boggy soil 

 along Cedar River. 



Hemicarpha, Nees. 



886. II. subsquarrosa, Nees. 



In sand along rivers; frequent. 

 Scleria, Berg. Nut Rush. 



887. S. triglomcrata, Michx. 



Dry sterile hillside, Wild Cat Den. 

 Carex, Ruppius. Sedge. 



888. C. Gray ii, Carey. 

 River banks ; frequent. 



