(2956.) E. Telmateia, Ehrh. Great Horsetail.

E. fluviatile, Linn. Hook. Fl. II., 269.

Along the shores of the Gulf of Georgia on both sides and common in many places on Vancouver Island, especially along the Nanaimo Railway, also on wet banks along the C. P. Ry. from the coast east to Yale, B.C. (Macoun.) Shore of Burrard Inlet at Vancouver City. (Prof. Fowler.)

(2951.) E. arvense, Linn. Common Horsetail. Hook. Fl. II., 269; Pursh, Fl. II., 651.

Abundant on wet undrained loamy soil from Newfoundland westward in all parts of the country to the west coast of Vancouver Island, and northward to Alaska and the Arctic coast.

Var. campestre, Milde.

Greenland, Aug., 1888. (Rosenvinge.) Nottingham Island, Hudson Strait, 1886. (Mackenzie.) Cape Chudleigh, Hudson Strait, Aug., 1884. (B. Bell).

(2958.) E. pratense, Ehrh.

E. umbrosum, Willd.; Hook. Fl. II., 269.

Damp thickets and sides of ravines; not rare. Windsor and Musquo-doboit, N.S. (How). Campbellton, N.B. (Chalmers.) North West

Arm, near Halifax, and North Mountain, near Annapolis, N.S.; also Point Fame, coast of Gaspé, Q. (Macoun.) Cape Rouge, near Quebec. (St. Cyr.) Lake Mistassini and Rupert River, N.E.T. (J. M. Macoun.) Owen Sound and Saugeen, Ont. (Burgess.) Shores of Lake Nepigon and Lake Superior, and westward through the forest country, Rocky Mountains, and British Columbia mountains to the mountains of Vancouver Island. (Macoun.) Carleton House to the Rocky Mountains. (Drummond.)

(2959.) E. sylvaticum, Linn.; Hook. Fl. II.,-269.

In loamy woods and river bottoms; not rare. Newfoundland. (Miss Brenton, Rev. A. Waghorne.) Nain, coast of Labrador. (B. Bell.) Very common throughout New Brunswick. (Fowler's Cat.) Common in Nova Scotia. (Sommer's Cat.) Yarmouth and Truro, N.S.; Anticosti; and at Tignish, Prince Edward Island. (Macoun). Gomin's woods, near Quebec. (St. Cyr.) Vicinity of Ottawa. (Fletcher. Fl. Ott.) Wet places, Lake Joseph, Muskoka, Ont. (Burgess.) Common in cool woods from Carleton Place, near Ottawa, westward through northern Ontario to Lake Nepigon; also in the valley of the Columbia at Donald, in the Selkirk Mountains, and at Stewart Lake, B.C. (Macoun.) From the Saskatchewan to Fort Franklin on the Mackenzie River. (Hook. Fl.) Greenland. (Dr. Walker.) Kotzebue Sound. (Both. Alask.)

(2960.) E. palustre, Linn.; Hook. Fl. II., 269.

In wet ditches and on springy places along rivers; not rare. Near Bedford, N.S. (Sommer's Cat.) Mistassini, N. E. Ter. (J. M. Macoun.) Knee Lake, Nelson River, and York Factory, Hudson Bay. (B. Bell.) Low ground, Sorel, Q. (Burgess.) Ste. Clotilde, Artha-baska Co., Q. (St. Cyr.) North Hastings, and east side of Lake Nepigon, Ont.; Red Deer River, 10 miles above Red Deer Lake, Lat. 53°, also in river bottoms westward to Lesser Slave Lake and Peace River; rather common along the Bow River at Kananaskis Station, C.P.Ry., and along Beaver Creek, in the Selkirk Mountains and abundant along Shuswap Lake, especially at Sicamous, B.C. (Macoun.) Lake Huron to the shores of the Arctic Sea. (Hook. Fl.)

Var. polystachyum, Hook.

E. limosum var. ß. Candelabrum, Hook. Fl. II. 269?

Muskeg Island, Lake Winnipeg, Aug., 1884. (J. M. Macoun.) Growing in water at Lake Winnipeg. (Hook. Fl.)

(2961.) E. littorale, Kühlewein.

Mouth of Lake Champlain, Q. (Pringle.) The specimens referred to this species by Milde (Gray Manual, 654) were collected by the author at Belleville, Ont., in the summer of 1860, and sent to Sir William Hooker, who referred them to E. limosum var. fluviatile. Since then it has been found to be not uncommon along the boggy shores of the Bay of Quinte at Belleville and Little Flat Rock Portage, Lake Nepigon; also at Agassiz, B.C. (Macoun.)

It is doubtless common but has been hitherto confounded with the next.

(2962.) E. limosum, Linn.; Hook. Fl. II., 269.

E. uliginosum Pursh, Fl. II., 651.

Common along the margins of rivers and lakes, and frequently in marshes in all parts of Canada. Antigonish Co., N.S. (McKay.) Kent Co., Tobique Lakes, Nictaw Lake, Carleton Co., and Nipisiquit Lakes, N.B. (Fowler's Gat.) Becscie River, Anticosti; Cove Head, Prince Edward Island; also Gaspé Basin, Gaspé, Q. (Macoun.) St. Sauveur, near Quebec, and at Ste. Rose, Laval Co., Q. (St. Cyr.) Vicinity of Ottawa. (Fletcher Fl. Ott.) Swamps at London, Ont. (Burgess.) Shallow water, Glenelg, N.S. (Faribault.) Ponds of Salmon River, at Truro, N.S. (Campbell.) Common throughout Ontario and westward to the Rocky Mountains, British Columbia and on the west coast of Vancouver Island at Barclay Sound, and north to Lat. 55° at McLeod's Lake B.C. (Macoun.)

(2963.) E. laevigatam, A. Braun.

E. hyemale, Hook. Fl. II., 270 in part.

Quite common in the prairie region and in the dry district of British Columbia. Dry bank, Emerson, Man. (Burgess.) Maple Creek, Alberta. (J. M. Macoun.) Boss Hill Creek and South Saskatchewan near Medicine Hat, Alberta; also at Morley and Canmore, Rocky Mountains; quite common at Kamloops, Spence's Bridge and Cache Creek, B.C. (Macoun.) Guichon Creek, B.C. (Dawson.)

(2964.) E. robustum, A. Braun.

Apparently confined to British Columbia. Wigwam River, Kootanie Valley, B.C. (Dawson.) Near Victoria, Vancouver Island. (Fletcher.) Wooded slopes, Gordon Head, Telegraph Bay, Vancouver Island; also at Agassiz, B.C. (Macoun.)

(2965.) E. hyemale, Linn.; Hook. Fl. II., 270 in part.

Quite common throughout the northern forests, and westward through the mountains to the Pacific. Rather rare at Bass River; also at Drummond, Victoria Co., N.B. (Fowler's Cat.) Portage, Kent Co.; Bairdsville and Simmonds, Carleton Co., N.B. (Brittain.) Rivière de Brig, and Jupiter River, Anticosti; Brackley Point, and elsewhere on P. E. I.; common along the Gaspè coast, Q. (Macoun.) Lac St. Joseph, Portneuf Co., Q. (St Cyr.) Vicinity of Ottawa. (Fletcher Fl. Ott.) Gravelly banks, London, Ont. (Burgess.) Queen Charlotte Islands. (Dawson.)

(2966.) E. ramosissimum, Desf.

We refer to this species forms intermediate between E. hyemale and E. variegatum but which differ from the first in having a short black sheath with soft fragile teeth which are united in groups by thin white membranous margins, and tipped with a long soft point, from the latter by the greater number of ridges, greater size and longer teeth. Speke's Point, Lake Nepigon, Ont., Shawnagin Lake, Vancouver Island. (Macoun.)

(2967.) E. variegatum, Schleicher, Hook. Fl. II., 270.

In sand by rivers and lakes; not rare. Near Andover, N.B.; rare (Brittain.) Riviere de Brig, and Salt Lake, Anticosti, and at Gaspé Basin, Q. (Macoun.) Border of the Montmorency River at Beau-port, Q. (St. Cyr.) Wet places, Niagara Falls. (Burgess.) Shore of Lake Ontario, at Presqu'Ile Point, near Brighton; sands, Lake Nepigon; Red Deer River, Lat, 53°, Man.; along the Bow River, in sand and westward through the Rocky Mountains to the Columbia at Donald, in sand along Shuswap Lake, and on the Indian Reservation at Kamloops, B.C.; also along the shores of Horne and Cameron lakes, Vancouver Island. (Macoun.) Elk River, Kootanie Valley; along the Upper Liard River, N.W.T. (Dawson.) Frequent in Canada and thence to the Saskatchewan and Arctic Sea. (Hooker Fl.) Green-laud. (Rosenvinge). Bartlett Bay, Alaska. (Meehan.)

(2968.) E. scirpoides, Michx. Fl. II., 281.

E. variegatum var. β. Hook. Fl. II., 270.

Common on the slopes of cool ravines arid in swampy woods northward. Nottingham Island, Hudson Strait. (R. Bell.) Pictou, N.S. (McKay.) Common about River Charlo and Point Le Nim, N.B. (Fowler's Cat.) Wet places at Truro, N.S.; Brackley Point and other places, Prince Edward Island; Jupiter River, Anticosti, and along the Gaspé coast in woods. (Macoun.) Beauport, Quebec Co.; Riviere des Aulnaies and Chambord, Ohicoutimi Co., Q. (St. Cyr.) Vicinity of Ottawa. (Fletcher Fl. Ott.) Low woods, London, Ont. , (Burgess.) Very common throughout northern Ontario, and westward through the forest to the Rocky Mountains; Bow River Pass, and westward to Donald in the Columbia valley; along a ravine at Hastings, Burrard Inlet, B.C. (Macoun.) Middle Branch of North Fork of Old Man River, Rocky Mountains; Eliguck Lake, 1876, Chilcoten Plains, B.C. (Dawson.) About the Saskatchewan. (Hook. Fl.)

Note. - The pages of this Catalogue (5 to 39) including the orders Ophioglos-sacese and Filices have been prepared by T. J. W. Burgess, M.B., F.R.S.C.