


: 
: 
| 
i 

CATALOGUE OF PLANTS. 87 
NAIADACEZ4E.  Ponpweep Famtty. 
POTAMOGETON, Tourn. PoNnpwEeEEn. 
P. natans, L. 
Ponds and slow streams. MM, rare; Spot Pond. 
P. Nuttallii, Ch. & Sch.t P. Pennsylvanicus, Gray, Man. 
ed. 6, 559. 
Ponds and slow streams. 2B, Hoosicwhisick Pond :—WM, 
abundant in ditches round Spot Pond. 
P. Vaseyi, Robbins. 
Ponds and pools. M, very rare; Spot Pond. 
P. Spirilius, Tuck. 
Ponds and slow streams. JB, rare; Hoosicwhisick Pond : — 
M*, W. shore of Spot Pond. 
P. pusillus, L. 
Ponds and slow streams. JB, rare; ditch near Hoosicwhisick 
Pond. 
NAIAS, L. Natzap. 
N. flexilis, Rostk. & Schmidt. 
Ponds and slow streams. M*, border of N. Reservoir. 
N. gracillima, Morong.{ WN. Indica, Cham., var. gracillima, 
Gray, Man. ed. 6, 566. 
Ponds and slow streams. M, rare; Spot Pond. 
ERIOCAULE-. PIPEWORT FAMILY. 
ERIOCAULON, L. Preewort. 
E. septangulare, With. 
Borders of ponds and streams or in shallow water. B*, 
Hoosiewhisick Pond, etc.:— M, occasional; Spot Pond and 
adjacent ditches: — S *, Turtle Pond. 
t See Mem. Torr. Bot. Club, iii. 18, t. 29. 
t See Mem. Torr. Bot. Club, iii. 61, t. 68. 

