(802.) P. geminum, (Mitt.) Lesq. & James.

Hypnum geminum, Lesq. & James, Mosses of N. America, 365.

Rocky Mountains, alt. 7,000-8,000 feet, associated with P. pulchellum. (Lyall.)

MAC0UN.]

(804.) P. Silesiacum, (Selig.) Schimp.

Hopewell Bay and Topsail Harbor, Newfoundland. (Rev. A. Wag-home.') Canaan Forks, Queen's Co., N.B. (J. Moser.)

(805.) P. turfaceum, Lindb. Faun. Flor. Fenn. IX.33.

Hypnum turfaceum, Lindb.; Lesq. & James, Mosses of N. America, 366; Canadian Musci, No. 308.

Miquelon Island. (Delamare.) On stumps at Canaan Forks, Queen's Co., N.B. (J. Moser.) Pictou Co., N.S. (McKay.) On stumps at Bass River, and Grand Lake, N.B. (Fowler's Cat.) Boots of trees, McNab's Island, Halifax Harbor, and on earth, Pirate's Cove, Straits of Canso, N.S.; on stumps, Gunn River, Anticosti; on old stumps at Hunter's River, Brackley Point, and Otter Pond, Prince Edward Island; on dead wood, Gaspé coast, and stumps, Ste. Anne des Monts River, Gasps' Co., Que.; on rotten stumps at Chelsea, Que.; common on stumps in Dow's swamp, Ottawa; on stumps at Carleton Place, Belleville, Wooler, Owen Sound, and Lake Nepigon, Ont.; dead wood along Lake Winnipegoosis, Man.; on logs, Deer Park, Lower Arrow Lake, Columbia River, B.C.; and on rotten wood, Lake Athabasca, N.W.T. (Macoun.) Observation Point, Lake Winnipeg. (J. M. Macoun.) In cedar and tamarac swamps at London, Ont. (J. Dearness.)

(806.) P. elegans, (Hook.) Schimp.

Hypnum elegans, Hook.; Lesq. & James, Mosses of N. America, 366; Canadian Musci, No. 309.

Pictou Co., N.S. (McKay.) Miquelon Island. (Delàmare.) Bay Bull Arm, Placentia Bay, Hewell Bay and New Harbor, Newfoundland; Little Bay Islands, Labropador. (Rev. A. Waghorne.) In a coniferous swamp at London, Ont. (J. Dearness.) On rocks, Salt Lake, Anticosti; on old logs at Belleville, Ont.; on rocks at Lake Nepigon, Ont.; on earth at Revelstoke, Columbia River; on rocks at Sicamous and on old logs and stumps at Hastings, Burrard Inlet, B.C.; on rotten wood at Comox, Vancouver Island. (Macoun.) Crevices of shaded rocks, Vancouver Island. (Menzies.)

(807.) P. Muehlenbeckii, Bruch & Schimp. Bryol. Europ.

Hypnum Muehlenbeckii, Spruce; Lesq. & James, Mosses of N. America, 370.

Miquelon Island. (Delamare.) Pictou Co., N.S. (McKay.) On old logs, Bay Bull Arm, Placentia Bay, Newfoundland; Cape Charles and Battle Harbor, Labrador. (Rev. A.Waghorne.) On old logs, Bass River, and St. John, N.B. (Fowler's Cat.) On dead wood, Tobique River, and at Norton, N.B. (Hay.) Old logs, Jupiter River, Anticosti; on rotten logs in shady woods in Hastings Co., near Belleville, and in Brighton, Northumberland Co., Ont. (Macoun.) Greenland. (Fl.Gr.)

(808.) P. denticulatum, (Linn.) Bruch & Schimp. Bryol. Europ.

Hypnum denticulatum, Linn.; Lesq. & James, Mosses of N. America, 367; Canadian Musci, No. 310; Drumm. Musc. Bor. - Am., Nos. 164 and 166.

Upon rocks on the descent of "la grande Cote," in the Rocky Mountains, to the west of the "Height of Land." (Drummond.) Pictou Co., N.S. (McKay.) Miquelon Island. (Delàmare.) Cape Charles, Battle Harbor and Deep Water Creek, Labrador. (Rev. A. Waghorne.) Bass River, N.B. (Fowler's Cat.) Highland Park, N.B. (Soy-) On earth at Canaan Forks, Queen's Co., N.B. (J. Moser.) Bases of trees, Pirate's Cove, Straits of Canso, N.S.; Why-cocogmah, Cape Breton; on damp earth and rotten wood, Hunter's River and Brackley Point, Prince Edward Island; on roots of trees in woods, Jupiter River, Anticosti; bases of trees, Gaspé Co., Que.; on bases of trees in McKay's woods, Ottawa; in woods at Britannia, six miles west of Ottawa; on roots of trees, Wooler, Ont.; on earth, Lake Nepigon, Ont.; on the roots of trees, Dawson Route, west of Lake Superior; on damp rocks, and old logs, Roger's Pass, Selkirk Mountains; on earth in bogs, McLeod's Lake, B.C., lat. 55°; on the bases of trees, Deer Park, Lower Arrow Lake; on rotten wood at Hastings, B.C.; wet earth at Victoria, on Mount Arrowsmith, and at Comox, Vancouver Island. (Macoun.) In woods at London, Ont. (J. Dearness.) Sitka. (Roth. Alask.) Greenland. (Fl. Gr.) Sitka and Kodiak Island, Alaska, 1891. (J. M. Macoun.)

Var. laetum, Lesq. & James; Canadian Musci, No. 311.

On the face of perpendicular rocks, six miles north of Otter Head, Lake Superior; on rocks, Lake Nipissing and Lake Nepigon, Ont.; on rocks, near McLeod Lake, B.C., lat. 55. (Macoun.)

Var. squarrosum, Kindb. Bull. Torr. Bot. Club XVII., 279.

This is a distinct variety presenting a squarrose appearance when dry.

On earth at Hastings, Burrard Inlet, B.C., April 27th, 1889. (Macoun.) Attu Island, Behring Sea, 1891. (J. M. Macoun.)

(809.) P. sylvaticum, Bruch & Schimp. Bryol. Europ.

Hypnum sylvaticum, Huds.; Lesq. & James, Mosses of N. America, 368; Canadian Musci, No. 313.

Vicinity of Quebec. (St. Gyr.) On earth at Fredericton, N.B. (Fowler's Cat.) On earth at Hunter's River, Prince Edward Island; on earth by streams, Gaspé Co., Que.; on earth in damp woods near Belleville and in Dow's swamp, and at Britannia, six miles west of Ottawa; on earth along Lake Nepigon, Ont.; on rocks in Roger's Pass, Selkirk Mountains, B.C.; on stones, mountains north of Griffin Lake, Gold Range, B.C.; on earth at Yale, B.C. (Macoun.) Near London, Ont. (J. Dearness)

(810.) P. Sullivantiae, Schimp. in Bryol. Europ.

Hypnum Sullivantiae, Schimp. Ms.; Lesq. & James, Mosses of N. America,

368; Canadian Musci, No, 312. H. silesianum, Drumm. Musc. Bor. - Am., No. 168.

Shady and rocky places; not rare. (Drummond.) On earth, Canaan Forks, Queen's Co., N.B. (J. Moser.) On rocks at Truro, N.S. (Fowler's Cat,) Miquelon Island. (Delaware.) New Harbor, Newfoundland. (Rev. A. Waghorne.) On earth by brooks, Truro, N.S.; on earth at Campbellton, N.B.; on earth in woods east of Belleville, and on rocks at Leamington, Port Dover, Owen Sound and Lake Nepigon, Ont.; on wood, Asulcan Glacier, Selkirk Mountains. (Macoun.) In woods at London, Ont. (J. Dearness.)

(811.) P. membranosum, Kindb. (n. sp.)

Rhynchostegium (?) aneuron, Kindb. Ott. Nat. IV., 65.

Tufts dense, green and glossy. Leaves distichous, crowded and patent, flat, ovate-oblong, acute or short-acuminate, estriate, entire or denticulate above the middle, decurrent; cells very long and narrow, the alar large, hyaline and subquadrate; costa none or obsolete. Capsule cylindric-obovate, horizontally curved; teeth yellow; pedicel smooth, 2 cm. long; lid unknown. Probably dioecious.

On dead wood in Dow's swamp, near Ottawa, October 17th, 1884; on old logs at Belleville, Ont., June 19th, 1874. (Macoun.)

(812.) P. brevipungens, Kindb.

P. auriculatum, Kindb. MS.

Brachythecium brevinerve, Kindb. enum. bryin. exotic.

Tufts dense, dark green. Stems prostrate, irregularly pinnate; branches attenuate. Leaves crowded, scarcely decurrent, ovate-obloug, acute or short-pointed, auricled, not plicate nor reflexed on the borders, entire or slightly denticulate at the apex; upper cells long and narrow, the alar very distinct, quadrate, inflate and hyaline; costa very short thick and simple, or none. Capsule curved; lid short, conical; pedicel smooth. Monoecious.

Differs from P. denticulatum principally in the smaller crowded leaves and their areolation.

On stones in McKay's woods, Ottawa, Ont., May 21st, 1885. (Macoun.)

(813.) P. aciculari-pungens, C. M. & Kindb. (n. sp.)

Dioecious. Tufts dense, radiculose, depressed, glossy green. Stem irregularly divided; branches few and short, not attenuate. Leaves concave, open-erect or patent, decurrent, entire, ovate-oblong with a short needle-shaped, recurved or patent point; margins narrowly recurved below to the middle at one side; areolation uniform and dilated; the angular cells large and not numerous, sub-rectangular; costa none or indistinct. Capsules not found. Habit of Plagiothecium Sullivantiae.

This species is nearly allied to Plagiothecium sylvaticun, but the leaves are smaller, the tufts more compact, etc.

On earth, Canaan Forks, Queen's Co., N.B., 1889. (J. Moser.)

(814.) P. undulatum, Bruch & Schimp. Bryol. Europ.

Hypnum undulatum, Linn.; Lesq. & James, Mosses of N. America, 369; Canadian Musci, No. 314.

Abundant on logs in woods ,at Hastings, B.C.; also common at Comox, Vancouver Island. (Macoun.) On logs, Queen Charlotte Islands; also on logs, Battledown Island, Gulf of Georgia, B.C. (Dawson.) Sitka. (Both. Alask.) Sitka and Prince of Wales Island, Alaska, 1891. (J. M. Macoun.)