(2884.) G. angustata, Fries. Mant. III., 176.

Poa angustata, R. Br.; Hook., Fl. II., 247. Atropis angustata, Ledeb. Fl. Ross. IV., 390.

Kotzebue Sound. (Rothr. Alask.) Arctic sea-coast and adjacent islands. (Hooker, Fl.) Digge's Island, Hudson Strait. (R. Bell.) Salt marshes along the Gaspé coast, at Mont Louis; and in marshes at Annapolis, N. S. (Macoun.) Idaho Inlet, Cross Sound, Alaska. (Meehan.) Greenland. (Lange.)

(2884.) C. arctica, Hook., Fl. II., 248.

G. arctica, ß. laxa, Dur. PI. Kan., No. 97. Arctic sea-coast. (Hooker, Fl.) This species is figured in Hooker's Flora Boreali Americana, and resembles a form of G. maritima, but we are unaware of its identification with any of our species.

(2886.) C. arundinacea, Kunth; Vasey, Cat. Grasses, U.S. 86, (1885.)

G. aquatica, Smith; Hook., Fl. II., 248; Macoun, Cat. No. 2167. Poa aquatica, var. ß. Americana, Torr., Fl. I., 108.

Abundant in pools, ditches, and borders of lakes and rivers, from the Atlantic to the Pacific. In water and very wet places, Bass River, KB. (Fowler, Cat.) Campbellton, KB. (Chalmers.) Magdalen Islands, (J. Richardson.) Whycocogmah, Cape Breton. (Macoun.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Very common near Prescott, Ont. (Billings.) Abundant at Belleville, and westward throughout Ontario to Lake Nipigon, and south to the Kaministiqua River. (Macoun.) Sault Ste. Marie. (JR. Bell.) North shore of Lake Superior. (Agassiz.) Vicinity of Hamilton, Ont. (Logie.) London, Ont.; Parry Sound, Georgian Ray; Emerson, Man. (Burgess.) Woodstock, Ont. (Millman.) High Bluff, Man. (McGill Coll. Serb.) Moose Factory, James Bay. (Cottar & Dr. Hayden.) All around James Bay, and north to York Factory; also at Maple Creek, Alberta. (J. M. Macoun.) Abundant in pools throughout the prairie region, and north to Lake Athabasca; rather common in the Columbia Valley, from Golden City to Donald; in wet marshy places at Victoria, Nanaimo, and Alberni, Vancouver Island. (Macoun.) Upper Nachacco River, B.C. (Dawson.) Sitka. (Rothr. Alask.) Lake Winnipeg to the Saskatchewan; Rocky Mountains. (Hooker, Fl.)

(2887.) C. Canadensis, Trim; Hook., Fl. II., 249.

Poa Canadensis, Beauv.; Torr., Fl. I., 112.

Briza Canadensis, Michx., Fl. I., 71; Pursh, Fl. I., 82.

Poa aquatica, Pursh, Fl. I., 80. Quite common in the maritime provinces; rare westward. Yarmouth, Windsor and Canso, N S.; North Sydney, Cape Breton. (Macoun & Burgess.) Prince's Lodge, near Halifax, N.S. (Sommers, Cat.) Pictou, N.S. (McKay.) Common in bogs and very wet places, KB. (Fowler, Cat.) Tobique River, KB. (Hay.) Thunder River, Q. (St. Cyr.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Wet grounds near Prescott Junction, Ont.; and Chelsea, Q. (Billings.) Beaver meadow, Partridge Lake, Addington Co.; also at the entrance to the Murray Canal, near Trenton; abundant up Gull River, Victoria Co.; and in a marshy meadow, Point aux Pins, Lake Superior; Flat Rock Portage, Lake Nipigon. (Macoun.) Lake Mistassini, N.E.T. (J. M. Macoun.) Vicinity of Hamilton, Ont. (Logic) Parry Sound, Georgian Bay. (Burgess.)

(2888.) C. distans, Wahl.; Gray, Man. Ed. V., 628. Alropis distans, Griseb.; Ledeb. Fl. Ross. IV., 388.

A careful examination of all our specimens from both the east or Atlantic coast and the west coast, has satisfied us that this species is not indigenous to Canada. All forms not introduced are placed under the var. airoides or G. maritima. On ballast heaps, Pictou, N. S.; North Sydney, Cape Breton. (Macoun & Burgess.) Carleton, St. John, KB., 1877. (Fowler.)

Var. airoides, Vasey, Cat Grasses U. S. 87, (1885.)

Glyceria airoides, Thurber, Bot. Wilkes Exp. 490.

Poa airoides, Nutt.; Hook., Fl. II., 245.

P. fasciculata, Hook., Fl. II., 245.

Very abundant in saline marshes throughout the interior west of

Winnipeg, at Moose Mountain, Côteau de Missouri, Red Deer Lakes, and Edmonton; Castle Mountain, in Rocky Mountains. Seed evidently brought from the prairie. (Macoun.) Fort Carleton. (Hooker, Fl.)

(2889.) C. elongata, Trin.; Hook., Fl. II., 248. Poa elongata, Torr., Fl. I., 112.

Bass River, and Salmon River, N.B. (Fowler, Cat.) Lower Tobique River, N.B. (Hay.) St. David, Charlotte Co., N.B. ( Vroom.) Titus-ville, King's Co., N.B. (Brittain.) Pentecost River, Q. (St. Gyr.)

(2890.) C. fluitans, R. Br.; Hook., Fl. II., 248.

Festuca fluitans, Linn; Michx., Fl. I., 66; Pursh, Fl. I., 84. Very common in ditches and muddy places from the Atlantic to the Pacific. In shallow water, Bass River; and at St. John, N.B. (Fowler, Cat.) Common around Ottawa. (Fletcher, Fl. Ott.) Abundant at Prescott Junction, Ont. (Billings.) Very common in ditches and ponds througout central and western Ontario, and extending to Lake Nipigon and the west side of Thunder Bay, and Kaministiqua River. (Macoun.) North shore of Lake Superior. (Agassiz.) Vicinity of Hamilton. (Logic.) London, Toronto, Niagara Falls, Hatchley, and Point aux Pins, Lake Erie. (Burgess.) Port Colborne, Lake Erie. (McGill Coll. Herb.) Michipicotin River, Ont.; and Nelson River, Keewatin. (R. Bell.) Throughout the northern part of the prairie region, and south to the dry, treeless district; rather common in the

Columbia valley and eastern valleys of the Rocky Mountains; in wet places at Goldstream, Somenos, Nanaimo, and Alberni, Vancouver Island. (Macoun.) Vicinity of Victoria, Vancouver Island. (Fletcher.) Saskatchewan. (Hooker, Fl.)

(2891.) C. festucaeformis, Reichenb. Icon. Fl. G-erm. t, 151.

Poa festucaeformis, Host.; Hook., Fl. II., 245. Along the coast of Vancouver Island, at Oak Bay, near Victoria, 1887. (Macoun.) Sitka. (Hooker, Fl.)

(2892.) C. Lemmoni, Vasey.

Along the coast of Vancouver Island, at Esquimault, Oak Bay, and Nanaimo. (Macoun.)

(2893.) C. maritima, Wahl.; Gray, Man. Ed. V., 628.

Atropis distans, Thurber, Bot. Calif. II., 308, in part. All the native forms distinct from G. angustata, are placed here whether collected on the east, north or west coasts. The various forms of this species require careful examination. North Sydney, Cape Breton, and Truro, N.S. (Macoun.) Frequent on the sea-coast of Kent Co.; Salt marshes, Bathurst, and St. John, N.B. (Fowler, Cat.) Coast of Anticosti, at Salt Lake, Ellis Bay, and Strawberry Cove; salt marsh at Cape Rosier, and along the Gaspè coast to Matane. (Macoun.) Ste. Genevieve, Mingan, Q. (St. Gyr.) Salt marshes, Lower St. Lawrence. (Pringle.) Fort George, James Bay. (J. M. Macoun.) Common in salt marshes along the coast of Vancouver Island, at Victoria, Nanaimo, and Alberni. (Macoun.) Texada Island, and Blunden Harbor, Gulf of Georgia, B.C. (Dawson.) Sitka. (Rothr. Alask.) Fort Wrangel, Alaska. (Meehan.)

(2894.) G. nervata, Trin.; Hook., Fl. II., 248.

G. Michauxii, Kunth, Enum. I., 367.

Poa nervata, Willd.; Pursh, Fl. I., 78.

P. striata, Michx., Fl. I., 69.

P. parviflora, Pursh, Fl. L, 80.

Briza Canadensis, Nutt., Gen. I., 69. A very common and variable species growing chiefly in wet meadows and marshy places in woods, from the Atlantic to the Pacific. Bedford, Yarmouth, and many other places in Nova Scotia. (Macoun.) In damp grounds and meadows, Bass River, and St. John, N. B. (Fowler, Cat.) Tobique River, N.B. (Hay.) L'Anse a Griffon, Gaspé coast. (J. Bell.) Jupiter River, Anticosti, and at Point Lèvis, Q. (Macoun.) Thunder River, and Island of Orleans, Q. (St Cyr.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Common around Prescott, Ont. (Billings.) Very abundant throughout Ontario, and westward to the Lake of the Woods. (Macoun.) North shore of Lake Superior. (Agassiz.) Vicinity of Hamilton, Ont. (Logic) London, Kingston, Parry Sound, and Sault St. Marie, Ont. (Burgess.) Oxford House, Keewatin. (R. Bell) Lake Mistassini, N.E.T.; Souris Plain, and Medicine Hat, N.W.T. (J. M. Macoun.) Common in wet places on the prairie, and north-westward to Peace River, and Lake Athabasca; abundant in the Rocky and Selkirk mountains; throughout British Columbia to lat. 56°; common on Vancouver Island. (Macoun.)

(2895.) C. obtusa, Trin.; Hook. Fl. II., 249. Poa obtusa, Muhl.; Torr., Fl. I, 112.

St. Stephen, N.B. ( Vroom.) Apparently very rare in Canada.

(2896.) C. pallida, Trin.; Gray, Man. Ed. V., 627.

In and around springs; rather local. At North Sydney, Cape Breton, (Macoun & Burgess.) In water Petitcodiac, N.B. (Fowler, Oat.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) At O'Brien's Bridge, and Canniffton, Hastings Co.; one mile south of Gibson's Mountain, Prince Edward Co.; at Cold Creek Bridge, Wooler, Northumberland Co.; and boggy ground, Sydenham Falls, Owen Sound. (Macoun.) Wet sandy shore, Port Cockburn, Muskoka, Ont. (Burgess.) Vicinity of Hamilton, Ont. (Logic

(2897.) C. pauciflora, Presl; Hook, Fl. II., 248.

Not uncommon in marshes around Lesser Slave Lake, and westward to Peace River, at Hudson's Hope; in the vicinity of springs and along brooks in swamps in the valleys of the Selkirks; rather common on Vancouver Island, at Somenos, Nanaimo, and Stamp River, on the west coast. (Macoun.) Vicinity of Victoria, Vancouver Island. (Fletcher.) Sitka, Alaska. (Meehan.) Nootka Sound. (Hooker, Fl.) Vancouver city, Burrard Inlet, B.C. (Prof. Fowler.)

(2898.) C. pumila, Vasey, Bull. Torr. Bot. Club XV., 48.

A very small but distinct (new) species, gathered in salt marshes along Barclay Sound, west coast of Vancouver Island, 1887. (Macoun.)