Var. major, Boott, Hook., Fl. II., 221, (1840.)

Valley of the Fraser, at Ladner's Landing, B.C. (Fletcher.) Abundant in marshes and by rivers at Victoria, Nanaimo, Qualicum, and especially at Sproat Lake, near Alberni, Vancouver Island. (Macoun.)-

(2682.) C. Tuckermani, Boott, Hook., Journ. Bot. V., 73, (1846.)

C. bullata,Dew. Sill. Journ. IX., 71, (1825); Hook., Fl. II, 221. C. Tuckermani, var. cylindrica, Dew. Sill. Journ. XLIV., 48, (1845.) C. cylindrica, Carey, Gray, Man. 566, (1848.)

Rather common in some localities growing in large clumps, mostly in water. Newfoundland. (Reeks.) Wet bank of Bass River, Kent Co., N.B. (Fowler, Cat.) Nun's Island, Montreal. (C. F. McCrea.) Nation River, and plentiful in all low grounds near Ottawa. (Fletcher, Fl.Ott) Wet ground, Prescott, Ont. (Billings.) Abundant in wet spots around Belleville, and westward in central Ontario; Port Dover Junction, and near St. Thomas, Elgin Co., Ont. (Macoun.) Swamps near London, Ont. (Burgess. Millman.) Vicinity of Hamilton, Ont. (Logie.) Port Colborne, Lake Erie. (McGill Coll. Herb.) Canada to Norway House. (Hooker, Fl)

(2683.) C. retrorsa, Schweinitz, An. Tab. (1823.) C. reversa, Sprengl. Syst. Veg. III., 827.

Marshy places and by ditches; rather common. Marshes at Truro, .and Annapolis, N.S. (Macoun.) Common in wet places at Bass River. Kent Co., N.B. (Fowler, Cat.) Campbellton, N.B. (Chalmers.) Rivière du Loup, Q. (Pickering.) Recollet Swamp, near Montreal. (C. F. McCrea.) Sugar Bush, and Bevin's lakes, Montcalm Co., Q. (D' Urban.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Very common at Prescott, Ont. (Billings,) Very abundant throughout central Ontario, and westward to Owen Sound, and north-westerly to Lake Nipigon and 60uth to Port Arthur and Fort William, Lake Superior. (Macoun.) Vicinity of Hamilton, Ont. (Logie.) Swampy flat, London, Ont. (Burgess. Millman.) Oba Lake, Ont, (R. Bell.) Apparently quite rare in the Rocky Mountains, only noticed at Donald, Columbia Valley. (Macoun.) Saskatchewan. (Bourgeau.) Cumberland House to the Rocky Mountains. (Hooker, Fl.) Lake of the Woods, and Winnipeg River. (Richardson.)

Var. Hartii, Gray, Man. Ed. V., 600, (1868.) a Hartii, and var. Bradleyii, Dew. Sill. Journ. 2d. Ser. XLI, 226, (1886) C. Macounii, Dew. Sill. Journ. XLI, 2d. Ser. 228, (1866.)

Abundant in ponds at Stirling, Hastings Co.; and in Tudor, and Marmora, North Hastings; also on F. Macoun's farm, Seymour, Northumberland Co., Ont., 1864. I agree with Prof. Bailey in placing this under var. Hartii, Gray, where I believe it properly belongs. Prof. Dewey thought it might be new, but suggested C. Hartii as its next of kin.

(2681.) C. tentaculata, Muhl. (1805); Hook., Fl. II., 222; Pursh,. Fl. I., 40, (1814.)

C. rostrata, Willd. Sp. PL IV., 282, (1805.)

C. tentaculata. var. rostrata, Pursh, Fl. I., 41, (1814.)

C. Purshii, Olney, Exsicc. I., 30, (1870.)

Wet grounds by rivers and ponds; not rare. Pictou, N.S. (McKay.) Ditches, Annapolis, N.S. (Macoun & Burgess.) Abundant along the shore, Bass River bridge, Kent Co., N.B. (Fowler, Cat.) Chipman, N.B. (Wetmore.) St. Sauveur, near Quebec. (St. Cyr.) Quebec. (W. L. Shepperd.) Nation River, near Ottawa. (Fletcher, Fl. Ott.) Presqu'ile Point, Lake Ontario; abundant at Moore's Lake, Gull River, Victoria Co., Ont. (Macoun.) Woods near Hamilton, Ont. (Logie.) Port Cockburn, Lake Joseph, Muskoka, Ont. (Burgess.)

‡‡‡ Pseudocyperae, Bailey, Carex, Syn. 69.

(2685.) C. Schweinitzii, Dew. Sill. Journ. IX., 68, (1825.)

A very distinct and beautiful species. Very rare in Canada. Newfoundland. (Reeks.) In damp, newly-cleared land, near Grafton, Northumberland Co., Ont., 1866. Never observed by me since. (Macoun.) Vicinity of Hamilton, Ont. (Logie.)

(2686.) C. hystricina, Muhl. (1805); Pursh, Fl. 1., 43, (1814);. Hook., Fl. II., 222.

C. Cooleyi, Dew. Sill. Journ. XLVIII., 144, (1845.)

C. Georgiana, Dew. Sill. Journ. 2d. Ser. VI., 245, (1848.)

C. Thurberi, Dew. Bot. Mex. Bound. 232, (1859.)

Abundant by springs and in wet meadows and marshes. Newfoundland. (Reeks.) Wet meadows at Annapolis, and Cape Blomidon, N.S.; also Baddeck, Cape Breton. (Macoun.) Lily Lake, and Wels-ford, N.B. (Fowler, Cat.) Long Lake, St. John Co., N.B. (Hay.) Murray Bay, and St. Andrews, Q. (McGill Coll. Herb.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Very common around Prescott, Ont. (Billings.) Abundant in boggy meadows throughout central Ontario, and westward to Owen Sound, and northwestward to Port Arthur, and northward to Blackwater River, Lake Nipigon. (Macoun.) North shore of Lake Superior. (Agassiz.) Vicinity of Hamilton, Ont. (Logie.) Swamps near London, Ont. (Burgess. Millman.) Bosanquet, Lake Huron. (McGill Coll. Herb.) Medicine Hat, Alberta. (J. M. Macoun.) Not uncommon throughout the prairie region, north of lat. 52°. (Macoun.)

(2687.) C. Pseudo-Cyperus, Linn.; Pursh, Fl. I., 44; Hook., Fl. II., 222, (1840.)

Not uncommon in marshes and swamps, in woods and by brooks in the clearings. Truro, Annapolis, and Windsor, N.S. (Macoun.) Frequent along the borders of lakes and in ditches in Kent Co.; Long Lake, St. John Co., and McAdam Junction, N.B. (Fowler, Cat.) Marsh near Campbellton, N.B.; marshes, Gaspé coast, Q. (Macoun.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Wet grounds, Prescott Junction, Ont. (Billings.) Swamps and stagnant pools, in clumps, very common throughout central Ontario, and westward to Owen Sound, Georgian Bay. (Macoun.) Swamp, near London, Ont. (Burgess. Millman.) Rainy River, north-western Ontario. (Burgess.) Muskeg Creek, Lake Winnipeg, Man. (J. M. Macoun.) Cumberland House, Saskatchewan River. (Hooker, Fl.) Eat Portage, Winnipeg River. Bourgeau.) Marsh, Lake of the Woods. (Dawson.)

Var. comosa, W. Boott, Bot. Calif. II., 252, (1880.)

C.furcata, Ell. Sk. Bot. II., 552.

C. Pseudo-Cyperus, Schw. & Torr., Car. Mon. 355, (1825.)