(918.) H. cordifolium, Hedw.; Lesq. & James, Mosses of N. America, 402; Canadian Musci, No. 361.

Pictou Co., N.S. (McKay.) Battle Harbor, Labrador; and New Harbor, Newfoundland. (Rev. A. Waghorne.) In wet sandy places, Bass River, N.B. (Fowler's Cat.) Swamps, Tobique River, N.B. (Hay.) Damp woods, Tignish, Prince Edward Island; in wet woods at Beechwood and Dow's swamp, Ottawa; on the ground in swamps at Belleville and Wooler, Ont.; damp woods, Kakabeka Falls, west of Lake Superior; bogs at Morley, foothills of Rocky Mountains; in springs around Kicking Horse Lake, Rocky Mountains. (Macoun.) Greenland. (Fl. Gr.) Near London, Ont. (J. Dearness.)

(919.) H. giganteum, Schimp.; Lesq. & James, Mosses of N. America, 403; Canadian Musci, No. 362.

H. cordifolium, Drumm. Musc. Bor. - Am., No. 209.

"Common in swamps and marshy places. (Drummond.) In springs at Canaan Forks, Queen's Co., N.B. (J. Moser.) In swamps at Becscie River, Anticosti; peat bogs at Tignish, Prince Edward Island; in swamps at Ottawa; peat bogs, Oak Hills, Hastings Co., Ont.; peat bogs, Porcupine Mountains, Man.; in bogs on the slopes of House Mountain, near Lesser Slave Lake, N.W.T.; in springs at Morley and Banff, Rocky Mountains; in swamps at Craigellachie, Eagle River, B.C.; also in springs at Revelstoke, B.C. (Macoun.) Greenland. (Fl. Gr.) Near London, Ont. (J. Dearness.)

(920.) H. Richardsoni, (Mitt.); Lesq. & James, Mosses of N. America, 404; Canadian Musci, No. 378.

H. trifarium, Drumm. Musc. Bor. - Am., No. 211.

Baffin's Bay, coast of Greenland. (Inglefield.) Swamps about the Great Bear Lake. (Richardson.) In a marshy bog at Tignish, Prince Edward Island; in water along the south end of McKay's Lake at Ottawa, Ont. (Macoun.)

(921.) H. sarinentosum, Wahl.; Lesq. & James, Mosses of N. America, 403; Canadian Musci, No. 363, in part.

In bogs at Bonne Esperance, Labrador. (J. A. Allen.) In bogs at Salt Lake, Anticosti. (Macoun.) Canaan Forks, Queen's Co., N.B. (J. Moser.) Battle Harbor and Seal Islands, Labrador; White Bay, Newfoundland. (Rev. A. Waghorne.)

(922.) H. cuspidatum, Linn.; Lesq. & James, Mosses of N. America, 403; Canadian Musci, No. 385.

Miquelon Island. (DelÓmare.) Peaty meadow at Tignish, Prince Edward Island; in swamps at Craigellachie, Eagle Pass, B.C.; also in swampy woods near Comox, Vancouver Island. (Macoun.) Pack River, B.C. (Lyall) Canaan Forks, Queen's Co., N.B. (J. Moser.) "White Bay, Newfoundland. (Rev. A. Waghorne.)

(923.) H. purum, Linn. Miquelon Island. (DelÓmare.)

(924.) H. Schreberi, Willd.; Lesq. & James, Mosses of N. America, 404; Canadian Musci, No. 364; Drumm. Musc. Bor. - Am., No. 208.

Shady woods; abundant. (Drummond.) In shady woods, Bass River, and Little Branch, Miramichi River, N.B. (Fowler's Cat.) Shaded ground, Queen's Co., N.B. (J. Moser.) On logs in woods, Tobique River, N.B. (Hay.) Pictou Co., N.S. (McKay.) Baie St. Paul, Charlevoix Co., Que. (St. Cyr.) Miquelon Island. (DelÓmare.) Deep Water Creek and Battle Harbor, Labrador; Placentia Bay and Bay Robert, Conception Bay, Newfoundland. (Rev. A. Waghorne.) Quite common on logs and earth in shaded woods across the continent. Truro, N.S.; Brackley Point and Rustico Bay, Prince Edward Island; GaspÚ Co., Que.; Ottawa, Belleville, Wooler and Owen Sound, Ont.; in woods, Lake Manitoba, Man.; on logs at Revel-stoke, Columbia River, B.C.; also at Moodyville, Burrard Inlet, B.C.; common in woods at Quesnel, B.C. (Macoun.) Saskatchewan. (Bour-geau.) Greenland. (Fl. Gr.) Sitka. (Roth. Alask.) Kadiak Island, Alaska. (J. M. Macoun.)

918. H. cordifolium, Hedw.

Boggy places, St. Paul and St. George islands, Behring Sea, 1897. (J. M. Macoun) In bogs in wet woods, Baddeck, Cape Breton Island, N.S., July, 1898. (Macoun.) Klondike River bottom near the mouth. (Williams.)

919. H. giganteum, Schimp.

In a swamp at Golden Lake, Ont., 1900; water holes, Crow's Nest Lake, Rocky Mountains, Alta , 1897. (Macoun.) The var. fluitans was found in a small stream flowing into Lake Marsh, Yukon. (Williams.)

Var. Labradorense, Ren. & Card. Bot. Gaz. Vol. XIX.,p. 240.

A notable variety, distinct from the type by the leaves larger and longer and the costa attenuate, vanishing rather far from the apex and often forking.

Battle Harbour, Labrador, 1892. (Waghorne.)

920. H. Bichardsoni, (Mitt,) Lesq. & James.

Fort Chimo, Ungava Bay, Labrador, Aug., 1896. (A. P. Low.) In a bog, Johnston's Lake, North Wakefield, Que., June, 1898. (Macoun.) At Dawson in swamps; in fine fruit, July 27th. (Williams.)

921. H. sarmentosum, Wahl.

In a small pond by snow banks about 1000 feet above Lake Lindeman, Yukon (Williams.)

Var. fontinaloides, Berggren.

On rocks in the bottom of a small stream near the mouth of Bonanza Creek, Yukon. This is a variety with long slender stems and larger leaves often all green or partly green and partly purple. (Williams.)

922. H. cuspidatum. Linn.

On earth in wet woods at Louisburg, Cape Breton Island, N.S., Aug., 1898; in a springy place by the railway, near Dow's swamp, Ottawa, Ont., 1900. (Macoun.)

1196. H. subgiganteum, Kindb., Ott. Nat. Vol. XIV., p. 80.

Differs from H. giganteum in having monoecious inflorescense, from H. cordifolium in having stems or branches pinnate and leaves auricled-from both in the very short costa of the leaves. which in stem leaves is generally nearly indistinct, in branch leaves reaching nearly to the middle.

In a bog north of the Saskatchewan at Prince Albert, Sask,, June 30th, 1896. (Macoun.)

924. H. Schreberi, Willd.

Chilliwack Valley, B.C., 1901. (J. M. Macoun.)