238 Rhodora [October 



looted in typical form at Haddock, July 11, 1898, by John Macoun 

 (no. 20,810; distributed as C. externa). 



C. Oederi, \ar. pumila (Coss. & Germ.) Fernald. Common, and 

 apparently freely hybridising with C. ficna. 



C. arctata Boott. Woods and rich thickets, Cumberland Co. to 

 Digby Co. and Cape Breton. 



C. BCABBATA Sohwoin. Alluvial woods, Annapolis Co. to Col- 

 chester Co.; Victoria Co. See pp. 136, 140. 



C. 0LIGO8PERMA Miehx. Boggy swales and barrens, locally abun- 

 dant. Yarmouth Co.: Argyle; Kegeshook Lake. Queens Co.: 

 Port Monton. Sec pp. 90, US, 107, 109. 



*C. RIPARIA \V. Curtis, var. LACUBTRIB (Will*!.) Ki'ikonthal. 

 Local. Yarmouth Co.: border of brackish marsh, Sand Beach. 

 Hams Co.: pond-hole near Five-Mile River. See p. h'57. 



C. Pseudo-Cyperus L. Frequent in boggy swales from Annapolis 

 and Queens Cos. to Cape Breton. 



C, RETRORSA Sehwcin. Alluvial woods and swales, Annapolis 

 Co. to Cape Breton. See p. 164. 



C. LUPUUNA Muhl. Seen in western Nova Scotia only in a swale 

 at Carleton, Yarmouth Co. 



*C. [NTUMEBCENB Rudge, var. FernALDII Bailey. Occasional 

 throughout the province. 



C. FOLLICUI.ATA L. Recorded by Maeonn from Halifax, by Ni- 

 chols from northern ('ape Breton. Characteristic of swales, boggy 

 thickets and wet woods throughout the silicious regions of Digby 

 and Yarmouth Cos. 



C. VESICARIA, var. JEJUNA Fernald. Dunn Co.: sandy beach of 

 Lily Lake, Sandy Cove. 



** C. BULLATA Sehwcin., var. GrEENEI (Hoeckl.) Fernald. Swales, 

 boggy meadows, and wet woods, abundant from Digby, Yarmouth 

 and Shelbume Cos. to Queens. See pp. 97, 99, 104, 150. 



Abisaema TRIPHYLLUM (L.) Sehott, var. Stkwardsonii (Britton) 

 Stevens. The only material of A. triphyUum soon by us in Nova 

 Scotia belonged to var. Stewardsonii. See p. 136. 



CALLA PALU8TRI8 L. Rare in western Nova Seotia. Seen only 

 at the quaking margin of Trefry's Lake, Arcadia, Yarmouth Co. 

 See ]>. II"). 



SyMPLOCARPUS FOETIDUS (L.) Nntt. Springy swales, open bogs 

 and boggy woods and thickets, frequent in Yarmouth and southern 

 Digby Cos. 



Lemna trisulca Ji. Cumberland Co.: spring-pools and ditches 

 south of Amherst. Collected by me in 1902 at Sheffield's Mills, 

 Kings Co. and reported by Maconn front Windsor. See p. 131. 



L. minor L. CrMHKHLAND Co.: pools south of Amherst. Vic- 

 toria Co.: Fort Bevis and lona. Recorded by Maconn from sta- 

 tions from Pictou Co. to Hants Co. and collected by me in 1902 at 

 Sheffield's Mills, Kings Co. See p. 131. 



