234 Rhodora [October 



S. acutus Mulil. S. occidental^ (Watson) Chase. Lake-margins, 

 swales and brackish marshes, frequent throughout See pp. 101, 

 110, 131. 



* S. campestris Britton, var. Fernaldii (Bicknell) Bartlett. 

 Suit marsh at head of Baddeck Bay. Frequent on the eastern coast 

 of New Brunswick and on Prince Edward Island. 



S. atkovirens Muhl., var. geokgianus (Harper) Fernald, Rhodoka, 

 xxiii. 134 (1921). Swales and damp thickets, occasional eastward 

 to Halifax Co. 



** S. CTPEBINUS (L.) Kunth. Peaty and cobbly beach of a large 

 lake north of Sailer Lake, Kemptville (Yarmouth Co.). The com- 

 mon plant of Nova Scotia is var. PELIU8 Fernald. 



* S. PEDICELLATU8 Fernald. Wooded bank of Sissiboo River, 



Weymouth. 



* FuiOPHORUM ANGU8TIFOLIUM Roth, var. IIAJUS Schultes. Boggy 

 savannah bordering Great Pubnico Lake, Yarmouth Co. Typical 

 F. ANGU8TIF0LIUM is very common throughout the province. 



ES. VIKIDI-CARINATUM (Engelm.) Fernald. Common on Cape 

 Breton. Not seen west or southwest of Hants Co. 



Rynchospora fusca (L.) Ait. Wet peaty and sandy bogs and 

 shores, very common in Digby and Yarmouth Cos.; also Cape Bre- 

 ton. 



*R. capitellata (Michx.) Vahl. See Blake, Rhodora, xx. 27 

 (1918). Frequent on lake-shores, savannahs and peaty openings in 

 the western counties. Yarmouth Co.: common in the Tusket 

 Valley; Salmon (Greenville) Lake. Queens Co.: Port Mou ton and 

 Broad River. Halifax Co.: Shubenacadie Grand Lake. See p. 

 134. 



** R. CAPITELLATA, var. DI8CUTIENS (Clarke) Blake, 1. c. 28 (1918). 

 Local in Yarmouth Co.: gravelly margin of Tusket (Vaughan) Lake; 

 wet mossy brook-side by small pond near Argyle Head; sandy shore 

 of Great Pubnico Lake. See pp. 149, 160. 



** Cladium mariscoides (Muhl.) Torr., forma congestum, n. f., 

 inflorescentiis congestis radiis suppressis vel brevissimis, glomerulis 

 plerumque e spiculis 15-30 compositis. 



Inflorescences congested, the rays suppressed or very short; glomer- 

 ules mostly with 15-30 spikelets— Nova Scotia: with the typical 

 form of the species at peaty margin of Harris's Lake, Tiddville, Digby 

 Co., August 22, 1920, Fernald & Long, no. 20,280 (type in Gray 

 Herb.). 



** Carex scoparia Schkuhr, forma peracuta,n. f., spicis approx- 

 imates anguste rhomboideis apice valde attenuatis vel subcaudatis. 



Spikes approximate, narrowly rhomboid, strongly attentuate or 

 subcaudate at apex. — Nova Scotia: springy ditch, Sand Beach, 

 Yarmouth County, July 14, 1920, Fernald ik Long, no. 20,29(1 (type 

 in Gray Herb.); damp roadside, cast of Rockville, Yarmouth County, 

 July It. 1920, Pease & Under, no. 20,289. See p. 107. 



