(A.) Schistidium.

(235.) C. conferta, Funck; Lesq. & James, Mosses of N. America,

135; Canadian Musci, No. 84.

On rocks along Jupiter River, Anticosti; on rocks, shores of Lake Superior and Lake Nepigon, Ont.; on rocks, Fort Chipweyan, Lake Athabasca, and at the Rocky Mountain Canon, Peace River; on rocks, Stewart's Lake Mountain, at the Blackwater River; and on dry rocks at Lytton on the Eraser River, B.C. (Macoun.) On rocks. Mount Queest, Gold Range, B.C. (J. M. Macoun.) Pictou, N.S, (McKay.) On rocks, Tadousac, Que. (St. Cyr.) Tay, York Co., and Canaan Forks, Queen's Co., N.B. (J. Moser.)

(236.) C. Manniae, C. Muell.

On dry sun-baked rocks on the right bank of the Thompson River, beyond the bridge at Lytton, B.C., April 17th, 1889. (Macoun.)

(231.) C. apocarpa, Hedw,; Lesq. & James, Mosses of N. America,

136 ; Canadian Musci, No. 85.

G. apocarpa var. stricta, Drumm. Musc. Bor. - Am. No. 55.

Rocks between Norway House and York Factory, Hudson Bay. (Drummond.) Cape Prince of Wales and Nottingham Island, Hudson Strait. (E. Bell.) On rocks, Earltown Lake, N.S. (McKay.) Common on rocks, St. John Co., N.B. (Fowler's Cat.) Tay, York Co., and Canaan Forks, Queen's Co., N.B. (J. Moser.) Tadousac, Que. (St. Cyr.) Miquelon Island. (Delàmare.) Rivière St. Anne des Monts, Gaspé

Co., Que.; on rocks, Jupiter River, Anticosti; abundant on boulders at Ottawa, Carleton Place, Belleville, Niagara Falls, Owen Sound, Lake Superior and Lake Nepigon, Ont.; dry rocks at Morley, Banff and Hector, Rocky Mountains; on boulders along Peace River at the mouth of Smoky River, lat. 56° 12'; on rocks at McLeod's Lake, along the Blackwater River, at Cache Creek, Kamloops, Revelstoke, and Yale, B.C. (Macoun.) Mountains south of Tulameen River, B.C., alt. 6,000 feet. (Dawson.) On rocks near St. John, Newfoundland. (Rev. A. Waghorne.) Limestone rocks at Delaware, near London, Ont. (J. Dearness.) On rocks near Kingston Mills, Ont. (Lawson.) Sabine Island, Greenland. (Fl. Gr.)

(238.) C. gracilis, Nees & Hornsch.

G. apocarpa, var. gracilis, Lesq. & James, Mosses of N. America, 136; Canadian Musci, No. 86.

On perpendicular rocks, St. Anne des Monts River, Gaspé Co., Que.; rocks around Lake Nepigon, and along the Dawson Route, west of Lake Superior; on dry rocks at Morley, Kananaskis, and Hector, Rocky Mountains; on dry rocks at Revelstoke, Deer Park, Sproat, Sicamous, Yale, Agassiz, and Moodyville on Burrard Inlet, B.C.; Peace River, near Fort St. John. Lat. 56° 12'. (Macoun.) On dry rocks at Canaan Forks, Queen's Co., N.B. (J. Moser.) Tadousac, Que. (St. Oyr.)

(239.) C. rlvularis, Nees & Hornsch.

G. apocarpa, var. rivularis, Lesq. & James, Mosses of N. America, 136;

Canadian Musci, No. 87. G. apocarpa, Drumm. Musc. Bor. - Am. No. 54.

On rocks between Norway House and York Factory, Hudson Bay. (Drummond.) At Fredericton, N.B. (Fowler's Cat.) Wet rocks in a brook at Cape Rosier, Gaspé Co., Que.; wet rocks, north of Lake Superior and along the Dawson Route west of the lake; wet rocks, Kananaskis River near its mouth, Rocky Mountains; on great boulders in the Columbia, one and a half miles above Revelstoke, B.C.; on rocks in Cornwallis River, near Comox, Vancouver Island. (Macoun.) Clearwater River, lat, 57°., N.W.T. (J. M. Macoun.) On wet rocks, Canaan Forks, Queen's Co., N.B: (J. Moser.) Greenland. (Fl. Gr.)

(240.) C. alpicola, Swartz; Musc. Suec.; Flora of Greenland, 346. West Greenland. (Fl. Gr.)

(241.) G. platyphylla, Mitt.; Lesq. & James, Mosses of N.America, 136.

On rocks near the mouth of Smoky River where it enters Peace River, lat. 56° 20', 1872; on rocks by the torrent at Hector, Rocky Mountains, 1890. (Macoun.)

(242.) C. Agassizii, Lesq. & James, Mosses of N. America, 136.

Rocks washed by the waves, north shore of Lake Superior, 1848. (Agassiz.) On large boulders in Bleeker's Grove, within the limits of the city of Belleville, Ont. 1888. (Macoun.)

(243.) C. maritima, Turn.; Lesq. & James, Mosses of N. America, 137.

Miquelon Island. (Delaware.) New Harbor, Newfoundland. (Rev. A. Waghorne.)

(244.) C. crassinervis, C. Muell.

G. maritima, Canadian Musci, No. 88.

Collected on Vancouver Island, near Victoria, by Dr. Roell. 1888. On rocks washed by the sea, Salt Spring Island, Gulf of Georgia, also on rocks by the sea, at Hastings, Burrard Inlet, B.C. May 9th, 1887. (Macoun.)

(245.) C. chloroblasta, Kindb. (n. sp.)

G. coscinodontoides, Kindb., Bull. Torr. Bot. Club. XVII., 271; Canadian Musci, No. 416.

Differs from G. conferta principally in the long, hair-pointed leaves, the perichetial being larger and green, the lid of the capsule short conic-apiculate, the teeth very cribrose, nearly as in Coscinodon pulvinatus.

On dry rocks on the mountain overlooking the Thompson River at Spence's Bridge, B.C., alt. 3,500 feet, May 28th, 1889. (Macoun.)

(246.) G. heterophylla, Kindb., Bull. Torr. Bot. Club, XVII. 271.

Differs from G. conferta in the stem being nearly simple, the leaves patent, when dry, the upper canaliculate, margins involute above, the perichetial very much larger, the peristome reddish, not papillose. The tufts are about 2 cm. high, when dry dark green above.

On rocks on the mountains between the Nicola and Thompson rivers at Spence's Bridge, B.C., alt. 3,500 feet, May 28th, 1889. (Macoun.)

MAC0UN.]

(247.) C - atricha, C. M. & Kindb. (n. sp.)

Differs considerably from Grimmia conferta in the tufts densely cohering, the leaves being small and when dry appressed, muticous, short, ordinarily ovate-oblong, not recurved at the margins, the cells not incrassate, the perichetial leaves very much larger and broader than the other ones; capsule more wide-mouthed, teeth of the peristome orange only below, yellow or hyaline above, entire, not rimose nor papillose, lid longer rostrate.