(2943.) E. arenarius, Linn.; Hook.,'Fl. IT., 255.

Common on sand beaches along the coasts of Vancouver Island, both on the east and west sides of the island. (Macoun.) Queen Charlotte Islands, B.C. (Dawson.) Vancouver city, Burrard Inlet, B.C. (Prof. Fowler.) Island of Kodiak. (Barclay.) North-west coast to Kotzebue Sound. (Hooker, Fl.) Norton Sound to Point Barrow. (Rothr. Alask.) Greenland. (Lange.)

Owing to the confusion that seems to exist between this species and E. mollis, I have placed all the notices of the western form under E. arenaria, and the eastern and interior ones under the E. mollis. It is extremely probable that they are both forms of one species.

(2944.) E. Americanus, Vasey & Scribner.

E. Sibiricus, Linn.; Hook., Fl. II., 255; Macoun, Cat. No. 2224. All specimens hitherto referred to E. Sibiricus are included by the authors in this species, and the Siberian plant is not considered by them an American form. Maimainse, east coast of Lake Superior; Pine Portage, Nipigon River, Ont.; Moose Jaw Creek, east end of Cypress Hills, and north-westward to Peace River, at Dunvegan. (Macoun.) Pine Pass, Rocky Mountains, lat. 55°. (Dawson.) Bather common in the valleys of the Rocky and Selkirk mountains; very abundant in damp thickets on every part of Vancouver Island. (Macoun.) Vicinity of Victoria, Vancouver Island. (Fletcher.) Fraser Valley, near Yale, B.C. (Bowman.) Sitka. (Rothr. Alask.) Emerson, and Winnipeg, Man.; also Vancouver city, Burrard Inlet, B.C. (Prof. Fowler.)

(2945.) E. Canadensis, Linn.; Pursh, Fl. I., 89. (Wild Bye.)

A fine stout grass growing on river banks and dry hillsides throughout Canada. Pictou, N.S. (McKay.) Sussex and Petitcodiac; Eel River, Carleton Co., KB. (Fowler, Cat.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Abundant on rocky banks of the Moira and Trent, and their branches in central Ontario. (Macoun.) Vicinity of Hamilton, Ont. (Logie.) London, and Point aux Pins, Lake Erie. (Burgess.) Elk Island, Lake Winnipeg. (J. M. Macoun.) North shore of Lake Superior. (Agassiz.) C˘teau de Missouri, and Wood-end, Assiniboia. (Burgess.) Souris Plain, Man. (J. M. Macoun.) Brandon, and near Fort Ellice, Man.; Moose Jaw Creek, Long Lake, and source of Qu'Appelle River, Assiniboia, and westward in the northern prairie to the Rocky Mountains; on gravelly banks, in the Columbia Valley. (Macoun.) Old Man River, Rocky Mountains; also Wood-end, and Turtle Mountain, 49th parallel. (Dawson.) Red River, Man., 1827. (Douglas.)

Var. glaucifolius, Gray, Man. Ed. Y., 639. E. glaucifolius, Willd.; Pursh, Fl. I., 89.

Foliage glaucus and awns longer and more spreading than the type. The difference is more marked in living plants. Niagara Falls; on rocky banks. (Burgess.) Sand banks, Prince Edward Co., Ont. (Mill-man.) On rocks, Heely Falls, Northumberland Co., Ont. (Macoun.) Vicinity of Hamilton, Ont. (Logie.) Point Edward, River St. Clair, Ont. (J. M. Macoun.) Vicinity of Ottawa. (Fletcher, Fl Ott.) Sandy shore, Lake, of the Woods. (Dawson.)

(2946.) E. condensatus, Presl, Rel. Haenk. I., 265.

In saline marshes and swamps, both east and west of the Rocky Mountains. Ribstone Creek, east of Hand Hills, Alberta; westward from Medicine Hat to Rocky Mountains; also at Cache Creek, B.C. (Macoun.) Kootanie Pass, Rocky Mountains; also Similkameen River, B.C. (Dawson.) Ladner's Landing, Lower Fraser, B.C. (Fletcher.)

(2947.) E. dasystachys, Trin.; Vasey, Cat. Grasses U.S. 99, (1885.)

Severn River, Keewatin. (J. M. Macoun.) Nelson River, Keewatin. (R. Ball.) North Fork of Old Man River, Rocky Mountains. (Dawson.) Abundant on hillsides, and in burnt woods from Calgary westward through the Rocky Mountains to the Columbia Valley; very common in northern British Columbia to McLeod's Lake, lat. 55°. (Macoun.) Dease River, B.C., lat. 59°. (Dawson.)

(2948.) E. Macounii, Vasey, Cat. Grasses U.S. 99, (1885.)

Abundant in many parts of the prairie region, extending from Qu'Appelle westward to the Eagle Hills, and southward to the Hand Hills, where it is particularly common, as well as at Morley. A fine grass growing chiefly in bunches.

(2949.) E. mollis, Trin.; Hook., Fl. II., 255.

E. arenarius, var. ▀. villosuss, E. Meyer, Labrad. 20. Abundant along the Atlantic and Gulf coasts. Nain, and Ford's Harbor, coast of Labrador; Cape Prince of Wales, Nottingham Island, and Digge's Island, Hudson Strait. (R. Bell.) Pictou, N.S. (Sommers, Cat.) Cape Forteau, near Yarmouth, and Halifax, N.S. (Macoun & Burgess.) Sand beaches, Kouchibduguac, and at Restigouche, N.B. (Fowler, Cat.) Ellis Bay, Anticosti. (St. Cyr.) Along the St. Lawrence, at Tamiscouata. (Pringle.) North shore of Lake Superior.

(Agassiz.) On sand at the mouth of Current River, and along the north-east coast of Lake Superior; east coast of Lake Nipigon. (Macoun.) Along James Bay, and north to York Factory, Hudson Bay. (J. M. Macoun.) Between Fort Churchill and Repulse Bay. (Dr. Rae.) Saskatchewan to Bear Lake, and the Arctic shores. (Hooker, Fl.) Greenland. (Lange.)

(2950.) C. Striatus, Willd.; Pursh, Fl. I., 89.

E. villoma, Muhl.; Pursh, Fl., I., 89; Hook., Fl. II., 256. We have never seen Canadian specimens of this species. Niagara Falls, and London, Ont. (Burgess.) Vicinity of Hamilton, Ont. (Logie.) Canada. (Goldie, in Hooker, Fl.)

(2951.) E. Virginicus, Linn.; Michx., Fl. L, 65; Pursh, Fl. I., 89; Hook., Fl. II., 255.

Abundant in the alluvium of river flats. Quite common at Whyco-comagh, Cape Breton, and Truro, N.S. (Macoun & Burgess.) On intervales at Hampton, and Coal Branch, N.B. (Fowler, Cat.) Ellis Bay, Anticosti; St. Foye Road, Q. (St. Cyr.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Kemptville, Ont. (Porter.) Low ground along brooks and large streams throughout central Ontario, west to Owen Sound, and north-westerly to the west side of Lake Superior, (Macoun.) Vicinity of Hamilton, Ont. (Logie.) London, Ont.; in the river flat; Emerson, Man. (Burgess.) Rosseau River, Man. (Dawson.)

Var. ▀. submuticus, Hook., Fl. II., 255.

Along the Nation River, at Casselman, near Ottawa. (Fletcher, Fl. Ott.) Cumberland House, on the Saskatchewan; common east of the Rocky Mountains. (Hooker, Fl.) Not uncommon along the Assini-boine and Qu'Appelle rivers, Man. (Macoun.) Easily distinguished from the species by the short awn.

(2952.) E. Vancouverensis, Vasey, Bull. Torr. Bot. Club, XV., 48.

Abundant, growing in sand close to the sea; on Mr. Fuller's farm, Oak Bay, near Victoria, Vancouver Island. Extensively creeping in the sand, by running root-stocks. Collected June 30th, 1887. (Macoun.)

(2953.) E. Columbiana, (120.)

Abundant, growing in tufts on gravel close to the sea, at Qualicum, Vancouver Island. (Macoun.) Texada Island, Gulf of Georgia, B.C. (Dawson.) A very interesting grass with the general appearance of A. tenerum.