FLORA OF VERMONT i 



S. minimum, Fries. MarsJiy borders of ponds; occasional. 

 S. simplex, Iluds. Marshy borders of ponds and streams; frequent. 

 S. simplex, lluds., var. angustifolium, Engelm. Shallow water in moun- 

 tain ponds; occasional. 



TYPHA. Cat-tail 



T. angostifolia, L. Along railroad, Charlotte, Priiu/le ; Manchester, Miss 



Ihuj. 



T. latifolia, L. Marshes; common. 



NAIADACEAE. POND- WEED FAMILY 



NAIAS 

 N. flexilis, Kostk. & Schipidt. Slow streams and ponds; common. 



POTAMOGETON. Pondweed 



P. alpinus, Balbis. (P. rufescens, Schrad.) Windsor, Jesup; Willoughby 

 Lake, E. Faxon ; Lewis Creek, Ferrisburgh, E. & C. E. Faxon ; Har- 

 vey's pond, W. Barnet, Blanchard; Little Averill pond, Eggleston. 



P. amplifolius, Tuckerm. Common. Fruiting more commonly at high 



altitudes. 



P. diversifolius, Kaf. (P. hybridus, Michx.) " South Hero," Bobbins; " Brat- 

 tleboro," Frost; Vernon, Grout; Willoughby, Jesup. 



P. Faxoni, Morong. Abundant in the still water of Lake Champlain and 

 in the creeks entering into it. No mature fruit has been collected. 



P. foliosus, Kaf. (P. paucifiorus, Pursh.) Lewis Creek, Ferrisburgh, C. E. 

 Faxon; W. Barnet, Blanchard; Brattleboro, Grout; Ponds in Wood- 

 bury, iJrointrfi. Winooski R., Burlington, Mrs. FLijnn. 



P. Friesii, Ruprecht. (P. mucronatus, Schrad.). Frequent. 



P. heterophyllus, Schreb. Common. 



P. heterophyllus, Schreb. var. graminifolius, Wats. &. Coult. Knights' Is- 

 land, L. Champlain, Brainerd. 



P. lonchites, Tuckerm. (P. fiuitans. Roth.) Usually in sluggish streams; 

 frequent. 



P. luccns, L. Common. 



P. lucens, L. var. Connecticutensis, Robbins. Lake Dunmore, E. Faxon ; 

 Lake Bomoseen, Egylesion. 



P. natans, L. Pools and ditches; common. 



