FLORA OP BURLINGTON AND VICINITY 21 



C. Yulpiiioidea Michx. Moist pastures; common. June, .Jul\. 



CYPERUS (Tourn.) L. Gamnm.ai.k 



C. aristatus Rottb. Awned Cyperus. Wet sandy soil; frequent. Aug., 

 Sept. 



C. deiitatus Torr. Sandy shores of Lake Champlain; rare. Aug., Sept. 

 Shelburne, (Pringle) ; Burlington and Colchester, (X. F. F.). 

 Spikelets often abortive and changed into leafy tufts. 



C. esculeiitus L. Yellow Nut Grass. Lake shore and river banks; 

 occasional. Aug., Sept. 



C. filiculinis Vahl, var. macileutus Fern. Dry sandy soil; common. 

 July, Aug. 



C. Hou^litoiiii Torr. On dry shifting sand, Colchester, (N. F. F.). 

 Aug., Sept. 



C. riTularis Kunth. Shining Cyperus. Lake shore and river banks; 

 frequent. Aug., Sept. 



C. strigosus L. Straw-colored Cyperus. Moist soil; frequent. July- 



Sept. 



DULICHIUM Pers. 



D. aruudiuaceum (L.) Britton. Borders of ponds; occasional. July- 



Sept. 



ELEOCHARIS R. Br. Spike Rush 



E. acicularis (L.) R. & S. Muddy shores below high water mark; 



common. July-Sept. 



E. dlaudra Wright. Wet sands of Winooski River; rare. Sept., Oct. 

 Burlington, (Brainerd, N. F. F.). 



E, iutermedia (Muhl.) Schultes. Bank of Winooski River, Burling- 

 ton, (Brainerd, N. F. F.). Sept., Oct. 



E. obtusa (Willd.) Schultes. Muddy places; common. .July-Sept. 



E. palustris (L.) R. & S. Wet ground; frequent. June-Aug. Var. 

 GLAUCESCENS (Willd.) Gray. Moist grassy places; frequent. July. 

 Aug. Var. vigens Bailey. (Var. major Sonder) Mouth of Wi- 

 nooski River, (Grout, Brainerd). July, Aug. 



E. tenuis (Willd.) Schultes. Wet meadows; rare. June-Aug. South 

 Burlington, (N. F. F.). 



