[Vol. 9 

 196 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Nova> Scotia: in Pleasant Lake, Springfield, 16 August, 1910, 

 Macoun 81092 (Gray Herb.) ; pond, North Sydney, Cape 

 Breton Isl., 14 July, 1883, Macoun 14223 (in part) (Gray 

 Herb, and N. Y. Bot. Gard. Herb.) ; Boylston, August, 1890, 

 Hamilton 81051 (in part) (Gray Herb.) ; in a brook, Bridge- 

 water, 28 July, 1910, /. Macoun 81091 (Gray Herb.) ; shal- 

 low water of Midway (Centreville) Lake, Centreville, Digby 

 Co., 22 August, 1920, Graves & Linder 19621 (Mo. Bot. 

 Gard. Herb.) ; quiet pools in Little River and pond holes in 

 savannahs east of Tidville, Digby Co., 22 August, 1920, 

 Fernald & Long 19620 (Mo. Bot. Gard. Herb.); shallow 

 water at sandy margin of Great Pubnico Lake, Yarmouth 

 Co., 6 September, 1920, Fernald, Long & Linder 19627 (Mo. 

 Bot. Gard. Herb.) ; peaty margin of Kegeshook Lake, Yar- 

 mouth Co., 8 October, 1920, Fernald & Linder 19630 (Mo. 

 Bot. Gard. Herb.) ; peaty and muddy, dried-out pond-hole 

 near the head of St. John Lake, Springhaven, Yarmouth Co., 

 8 October, 1920, Fernald & Linder 19631 (Mo. Bot. Gard. 

 Herb.); shallow water of Everitt Lake, 10 August, 1921, 

 Fernald & Long 23109 (Mo. Bot. Gard. Herb.). 



Maine: Mt. Desert, 23 July, 1871, Boott (N. Y. Bot. Gard. 

 Herb.) ; Mt. Desert I., Somes Stream, 4 Sept., 1895, E. & C. 



E. Faxon (Gray Herb.); Pushaw Pond, 21 August, 1899, 



F. L. Harvey 3 (Mo. Bot. Gard. Herb.) ; Ripples Brook, un- 

 der water, Somesville, 1 August, 1892, Rand (Gray Herb.) ; 

 brook, north end of Dunning's Pond, Somesville, 27 August, 

 1869, Boott (N. Y. Bot. Gard. Herb.) ; Ripple Brook, Somes- 

 ville, Mt. Desert I., 1 August, 1892, 3 October, 1893, Rand 

 (Mo. Bot. Gard. Herb.) ; Somes Stream, Mt. Desert L, 30 

 September, 1893, Rand (N. Y. Bot. Gard. Herb.); same 

 station, 4 September, 1895, Rand (Mo. Bot. Gard. Herb.); 

 west shore of Jordan's Pond, Mt. Desert L, 3 September, 

 1892, Rand (Mo. Bot. Gard. Herb.); Small Pond, north 

 of Long Pond and Ripples Brook, and north end of Great 

 Pond, "Northwest Arm," 22 September, 1892, Fernald (Gray 

 Herb.); brook, south end of Ripple Pond, Mt. Desert I., 

 3 October, 1893, Rand (Mo. Bot. Gard. Herb, and N. Y. 

 Bot. Gard. Herb.) ; at dam, Ripples Pond, in gravel mud, 

 Mt. Desert L, 19 September, 1898, Rand (Mo. Bot. Gard. 

 Herb, and Gray Herb.); in brook, inlet of Ripples Pond, 



