[Vol. 9 

 202 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Bot. Card. Herb.) ; flats at Trickling Falls, Kingston, 

 August, 1897, Eaton (Mo. Bot. Gard. Herb.) ; Dodge's Pond, 

 Hampton Falls, Eaton (Mo. Bot. Gard. Herb.) ; Horse Hill, 

 Kensington, 19 April, 1896, Eaton 1 (Mo. Bot. Gard. 

 Herb.) ; Lamprey River, Epping, August, 1897, Eaton (Mo. 

 Bot, Gard. Herb.); Stratham, 1899, Eaton (Mo. Bot. Gard. 

 Herb.). 



Vermont: in Clark's Pond, near Brattleborough, " in spring sub- 

 merged, in fall on dry banks," 1867, Mann (Mo. Bot. Gard. 

 Herb.); Brattleborough, 1867, Frost 18 (Gray Herb.); in 

 shallow water on muddy bottom, Little Pond, Orwell, 8 

 August, 1915, Eames & Godfrey 9204a (Gray Herb.). 



Massachusetts: Woburn Brook, 16 November, 1862, Boott (Mo. 

 Bot. Gard. Herb.) ; millpond stream in West Cambridge, 26 

 October & 5 November, 1865, Boott (Mo. Bot. Gard. Herb.) ; 

 West Cambridge, entirely out of water, 26 October, 1865, 

 Boott (Gray Herb.) ; West Cambridge Brook, entirely sub- 

 merged (5 miles northwest from Boston), 29 October, 1866, 

 Boott (Mo. Bot. Gard. Herb.) ; Arlington Brook, 23 October, 

 1867, Boott (Mo. Bot. Gard. Herb.) ; Arlington Brook, 12 

 September, 1867, Boott (Mo. Bot. Gard. Herb.) ; Arling- 

 ton Brook, 7 August, 1870, Boott (Gray Herb.) ; South 

 Natick, 25 June, 1879, Morong (Mo. Bot. Gard. Herb, and 

 Gray Herb.) ; in water and mud along margin where pond 

 has dried away, Blacksmith Pond, Needham, 19 July, 1885, 

 Fuller (Gray Herb.) ; near dam, Waverley, November, 1894, 

 Duggar (Gray Herb.); mill-pond, Waverley, October, 1894, 

 Seymour (Gray Herb.) ; Newburyport, 22 June, 1894, Dodge 

 (Mo. Bot. Gard. Herb.) ; West Newbury, July, 1896, Dodge 

 (Mo. Bot. Gard. Herb.) ; Tuxbury's Pond, Eaton (Mo. Bot. 

 Gard. Herb.)j Waverley, 11 October, 1894, Blankinship 

 (Mo. Bot. Gard. Herb.); Blue Hills Reservation, Metro- 

 politan Park System, 2 September, 1895, Jenks (Mo. Bot. 

 Gard. Herb.); Pine Tree Pool, Blue Hills Reservation, 2 

 September, 1895, Williams (Gray Herb.); in brook, Blue 

 Hills, Quincy, 5 September, 1895, Fernald (Gray Herb.) ; 

 Shaker Glen, Woburn, 1 September, 1895, Williams (Gray 

 Herb.); Race Course Pond, Billingham, 24 August, 1894, 

 E. & C. E. Faxon (Gray Herb.) ; Nashawena Island, Buz- 

 zards Bay, C. E. Faxon 7 (Mo. Bot. Gard. Herb, and Gray 



