Shafer : Vascular Flora of Alleghenv County. Ill 

 ^ J. tenuis Willdenow. Bath-grass. 



J J. bufonius Linnaeus. Toad rush. 



* J. acuminatus Michaux. Sharp-fruited rush. 



* J. Canadensis J. Gay. Canada rush. 



? J. Caesariensis Coville. New Jersey rush. 

 y. as/>er Engelmann. • 



JUNCOIDES Adanson. 

 LUZULA De Candolle. 



* J. campestre (Linnaeus). Common wood-rush. 



f J. pilosum (Linnaeus). Hairy wood-iush. 



TYPHACEiE J. St. Hilaire. 

 CAT-TAIL FAMILY, lll-i. 



TYPHA LinnjEus. 



* T. latifolia Linnaeus. Cat-taiL 



SPARGANIACEiE Agardh. 

 BURREED FAMILY. III-2. 

 SPARGANIUM Linnaeus. 

 t S. eurycarpum Engehnann. Broad-fruited bur-reed. 



f S. simplex Hudson. Simple-stemmed bur-reed. 



ARACE.E Necker. 



ARUM FAMILY. III-9. 



ARISiEMA Martens. 



* A. triphyllum (Linnaeus). Indian turnip. 



