1922] 



PFEIFFER — MONOGRAPH OF THE ISOETACEAE 203 



Herb.) ; in shallow water, Blue Hills Reservation, West 

 Quincy, 2 September, 1895, Rich (Gray Herb.); pool, heart 

 of Pine-Tree Brook, Blue Hills Reservation, Milton, 2 Sep- 

 tember, 1895, Churchill (Gray Herb.). 



Rhode Island: Newport, July, 1878, C. E. Faxon 5 (Mo. Bot. 



Gard. Herb, and Gray Herb.) ; near Newport, in deep water, 

 1866, Durand (Mo. Bot. Gard. Herb.) ; shallow pool, New- 

 port, 1878, Farlow (Mo. Bot. Gard. Herb,); (Wordens 

 Pond) "Lake Werden," So. Kingston, 24 August. 1881, 

 E. & C. E. Faxon (Gray Herb.) ; Newport, Thurber (Gray 

 Herb.). 



Connecticut: fresh water, tidal shores, New Haven, 1857, D. C. 



Eaton 1 (Mo. Bot. Gard. Herb.) ; without date, New Haven, 

 D. C. Eaton (Gray Herb.) ; shallow mountain stream on 

 gravelly bottom, Colebrooks, 10 September, 1SG4, Robbins 

 13 (Mo. Bot. Gard. Herb.) ; edge of little pond in Meriden, 

 pond south of West Peak, 10 October, 1873, Hall (Mo. Bot. 

 Gard. Herb.); Bristol, 1888, Bishop (U. S. Nat. Herb.); 

 Hart's Upper Reservoir, Berlin, 27 September, 1900, Bishop 

 (Gray Herb.) ; shallow water, Eight-Mile River "at rail- 

 road," Southington, 3 August, 1902, Bissell (Mo. Bot. Gard. 

 Herb.); submerged in shallow water of Mill River, Easton, 

 29 August, 1897, E antes (Gray Herb.); shallow water of 

 pond, in mud, Stafford, 28 August, 1903, Bissell (Mo. Bot. 

 Gard. Herb.); pond at Stafford St., Stafford, 28 August, 

 1903, Bissell (Gray Herb.); Bantam Lake, July, 1891, Un- 

 derwood (Gray Herb.) ; Rainbow Park, Windsor, 30 August, 



1907, Eaton (Mo. Bot. Gard. Herb.); Selden's Cove, Lyme, 

 28 August, 1907, Eaton (Mo. Bot. Gard. Herb.); "Curtis' 

 Mill-Pond," Stepney, 11 September, 1897, Eames (Gray 

 Herb.); pond at icehouse, Norwalk, 16 September, 1001, 

 Bissell (Gray Herb.); in shallow water, W T aterbury, 7 July, 



1908, Blewitt (Gray Herb.); New Britain, 22 June, 1913, 

 hunt (Gray Herb.) ; small pond at foot of West Peak, Me- 

 riden, 25 September, 1910, Bissell (Gray Herb.); wet bank 

 of pond, Gaylordsville, 29 August, 1904, Eames (Gray 

 Herb.); Miamus River, Stamford, 5 July, 1909, Eames & 

 Godfrey 8223 (Gray Herb.); abundant in Bunnell's Pond, 

 in 1-3 ft. water, Bridgeport, 5 August, 1913, Eames (Gray 

 Herb.); in half-shade, shallow water of pond, southeastern 



