26 FLORA OF VERMONT 



ERIOCAULEAE 



ERIOCAULON 

 E. septangulare, Withering. Borders of ponds and lakes ; frequent. 



PONTEDERIACEAE 



HETERANTHERA 

 H. graminea, Vahl. (H. dubia, MacM.) Ponds and streams ; frequent. 



PONTEDERIA 

 P. cordata, L. Pickerel Weed. Borders of ponds and slow streams; frequent. 



JUNCACEAE. RUSH FAMILY 



JUNCUS. Rush 



J. alpinus, Villars, var. insignis, Fries. (J. Richardsonianus, Schult. ) Knight's 

 Island, Pringle. 



J. articulatus, L. Peacham, Blanchard ; Joe's Pond, W. Danville, Jones; 

 Manchester, Miss Day ; Pownal, Eggleston. 



J. brachycephalus, Buch. (J. Canadensis, J. Gay. var. brachycephalus, En- 

 gelm.) Moist sandy soil. New Haven and Woodbury, Brainerd ; Que- 

 chee Gulf and Pownal. Eggleston. 



J. bufonius, L. Low ground ; common. 



J. Canadensis, J- Gay. Borders of ponds ; common. 



J. Canadensis, J. Gay. var. brevicaudatus, Engelm. (J. Canadensis, J. Gay, 

 var. coarctatus, Engelm.) Moist places in mountains ; common. 



J. effusus, L. Moist meadows ; common. 



J. filiformis, L. Sandy shores of northern Lake Champlain and on moun- 

 tain summits ; occasional. 



J. Greenii, Oakes and Tuckerm. Newfane, M. A. Howe. 



J. marginatus, Rostk. Newfane, M. A. Howe. 



J. nodosus, L. Wet meadows ; common. 



J. pelocarpus, E. Meyer. Shores of ponds ; occasional. 



J. tenuis, Willd. Fields ; common. 



J. trifidus, L. Summit of Mt. Mansfield, Robbins ; Camel's Hump, Tueker- 

 man and Macrae. 



