CATALOGUE OF PLANTS. 



87 



NAIADACE^E. Pondweed Family. 

 POTAMOQETON, Tourn. Pondweed. 



P. natans, L. 



Ponds and slow streams. M, rare ; Spot Pond. 

 P. Nuttallii, Ch. & Sch.f P. Pennsylvanicus, Gray, Man. 

 ed. 6, 559. 



Ponds and slow streams. B, Hoosicwhisiek Pond : — M, 

 abundant in ditches round Spot Pond. 

 P. Vaseyi, Bobbins. 



Ponds and pools. M, very rare ; Spot Pond. 

 P. Spirillus, Tuck. 



Ponds and slow streams. B, rare ; Hoosicwhisiek Pond : — 

 M*, W. shore of Spot Pond. 

 P. pusillus, L. 



Ponds and slow streams. B, rare ; ditch near Hoosicwhisiek 

 Pond. 



NAIAS, L. Naiad. 



N. flexilis, Kostk. & Schmidt. 



Ponds and slow streams. M*, border of N. Reservoir. 

 N. gracillima, Morong.J N. Indica, Cham. , var. gracUlima, 



Gray, Man. ed. 6, 566. 



Ponds and slow streams. M, rare ; Spot Pond. 



ERIOCAULE^E. pipewort family. 



ERIOCAULON, L. Pipewort. 



E. septangulare, With. 



Borders of ponds and streams or in shallow water. B*, 

 Hoosicwhisiek Pond, etc. : — M, occasional ; Spot Pond and 

 adjacent ditches : — 8 *, Turtle Pond. 



t See Mem. Torr. Bot. Club, iii. 18, t. 20. 

 X See Mem. Torr. Bot. Club, iii. 61, t. 68. 



