On rocks and silt, Asulcan Glacier, Selkirk Mountains; on rocks, North Arm, and at Hastings, Burrard Inlet, B.C. (Macoun.) Sitka. (Roth. Alask.) On rocks in Stanley Park, Vancouver, B.C. (A. Law.)

Var. lutescens, Lesq. & James, Mosses of N. America, 151. On rocks at Moodyville, Burrard Inlet, B.C., 1889. (Macoun.)

Var. muticum, Kindb., Bull. Torr. Bot. Club XVII., 272.

Leaves without a hair-point; cells yellow; costa percurrent. Barren. ' On rocks, summit of Gold Range, north of Griffin Lake, B.C.; alt. 7,000 feet. August 8th, 1889. (Macoun.)

(296.) R. micropus, Kindb.

R. brevipes, Kindb., Bull. Torr. Bot. Club, XVII., 272.

Habit of R. heterostichum or R. canescens. Plants dirty green; branches nodose with numerous short branchlets. Leaves very faintly papillose, ovate lanceolate, long-acuminate, more or less revolute, hair-point long and rough; cells yellow, the upper short or elongate, the alar distinctly quadrate. Capsule small oblong-cylindrical with a short oblique beak; pedicel short, 0.5 cm. long. Peristome not examined.

On sloping garnetiferous rocks near the summit of the Gold Range, north of Griffin Lake, B.C. Alt. 6,700 feet. August 8th, 1889; also on rocks three miles below Hector, Rocky Mountains. (Macoun.)

(278.) R. patens, Heuben.

Ounalaska and Attu islands, Behring Sea, 1891. (J. M. Macoun.)

(279.) R. aciculare, Brid.

On rocks, Battle Harbor, Labrador; Grand Vāche, Newfoundland. (Rev. A, Waghorne.) Prince of Wales Island, Alaska, 1891. (J. M. Macoun.)

(280. R. Nevii, C. Muell. On Atkah Island, Behring Sea, 1891. (J, M. Macoun.)

(286.) R. heterostichum, Brid. Cape Charles, Labrador. (Rev. A. Waghorne.)

(288.) R. affine, Lindb. Harbor Deep, Newfoundland. (Rev. A. Waghorne.)

(289.) R. fasciculare, Brid.

Grand Vāche, White Bay and Harbor Deep, Newfoundland; Squaw Island, Battle Harbor, Seal Island and Venison Tickle, Labrador. (Rev. A. Waghorne.) Ounalaska Island, Behring Sea, and Cape Van-couver, Alaska, 1891. (J. M. Macoun.)

(293.) R. microcarpum, Brid.

Venison Tickle, Labrador; Green Pond and White Bay, Newfoundland. (Rev. A. Waghorne.)

Var. Palmeri, Kindb. (n. var.)

Differs in the leaves being long subulate, hairless, the upper cells longer and more confluent, the alar ones large and rectangular, the capsule shorter-pedicellate. Differs also from the related Racomitrium Sudeticumm the deeply cleft peristomial teeth, the narrow leaf-cells, etc.

St. Paul Island, Behring Sea. (Palmer.)

(294.) R. lanuginosum, Brid. Near Venison Tickle, Labrador. (Rev. A. Waghorne.)

(295.) R. canescens, Brid.

On rocks, Seal Island and Venison Tickle, Labrador. (Rev. A. Waghorne.)

279. R. aciculare, (Linn.) Brid.

On wet rocks, Nagai Island, Alaska, Sept. 18th, 1892; on rocks, Chilliwack River, B.C., 1901. (J. M. Macoun.) On wet rocks in a brook at Aspy Bay, Cape Breton Island, N.S., Aug. 1898; also in the bed of a brook at Goldstream, Vancouver Island, 1893. (Macoun.) Juneau, Alaska, and at Gold Creek Canon, near Juneau. (Miss G. Cooley.) Lake Lindeman, Yukon, 1899. (Williams.)

280. R. Nevii, C. Muell.

On rocks, Chilliwack River, B.C., 1901. (J. M. Macoun.)

282. R. Macounii, Kindb.

On rocks on mountains, Chilliwack River, 1901. (J.M. Macoun,)

284. R. robustifolium, Kindb.

Grimmia robustifolia, Kindb., Bryol. N. Am. & Eur., p. 225.

On damp rocks, Point Pleasant, Halifax, N.S., July 10th, 1899. (Macoun.)

285. R. Sudeticum, (Hedw.) Br. & Sch.

Grimmia microcarpa, (Hedw.) C. Muell.

On rocks, Lake Lindeman, Yukon, 1899. (Williams.)

286. R. heterostichum, Brid.

Grimnia heterosticha, (Hedw.) C. Muell. Lake Lindeman, Yukon; Skagway, Alaska. (Williams.)

Subsp. micropoides, Kindb., Bryol. N. Am. & Eur. 239.

Leaves pellucid with a very short hair-point; upper cells sometimes rectangular; alar cells hyaline. Capsule small, scarcely shorter than the pedicel.

On rocks, in Roger's Pass, Selkirk Mountains, B.C., July 30th, 1890; on rocks three miles below Hector, Rocky Mountains, B.C., Aug. 13th, 1890. (Macoun)

288. R. affine, (Schleich.) Lindb.

On rock, Unalaska Island, Behring Sea, August, 1891. (/. M. Macoun.)

289. R. fasciculare, (Schrad.) Brid.

Grimmia fascicularis, (Schrad.) C. Muell.

On rocks in ravines at Margaree, Smoky Mountain and Half Way Brook, Cape Breton Island, N.S., 1898. (Macoun.) Lake Lindeman, Yukon. (Williams.)

290. R. varium, Mitten.

R. Oreganum, Ren. & Card., Cat. Can. Musci, 75.

All references in Pt. VI. to No. 291 belong here. Chilliwack Valley, B.C., 1901. (J. M. Macoun.)

293. R. microcarpum, (Schrad.) Brid. Grimmia ramulosa, Lindb.

On rocks in a ravine at Margaree, Cape Breton Island, N.S., July, 1898. (Macoun.) On rocks, Seal Lake, Labrador, July, 1896. (A. P. Low.) Lake Lindeman, Yukon. (Williams.)

294. R. hypnoides, (Linn.) Willd.

R. lanuginosum, Brid.; Cat. Can. Musci, 76, Grimmia hypnoides, (Linn,) Lindb.

On rocks, Nagai Island, Alaska, 1892. (J. M. Maconn.) Fort Chimo, Ungava Bay, and Whale River, Labrador, 1896; also Summit Lake, Manacuagan River, Que., 1895. (A. P. Low.) On earth on the "Bar" at South Ingonish and St. Ann's Harbour, Cape Breton Island, N.S., 1898. (Macoun) On rocks, Baffin Land, north of Hudson Strait, July, 1897. (Dr. R. Bell) Parry's Falls, Great Slave Lake, May 15th, 1900. (J. W. Tyrrell) Lake Lindeman, Yukon. (Williams.)

295. R. canescens, (Weis.) Brid.

Grimmia canescens, (Timm.) C. Muell.

On stones and sand, Margaree, Cape Breton Island, N.S., 1898; on earth, Moose Mountain, Rocky Mountains, Alta., 1897. (Macoun.) On rocks, Fort Chimo, Ungava Bay, Labrador, 1896. (A. P. Low.) Near the snow line, above the basin, Juneau; also Davidson Glacier, Terminal Moraine, Pyramid Harbour, on the Sound near the shore, Alaska. (Miss G. Cooley.) Chilliwack Valley, B.C., 1901. (J. M. Macoun.) Sheep Camp, Dyea Creek, Alaska, and Lake Lindeman, Yukon. (Williams.)

1015. R. Pansehii, C. Muell.

On Sabine Island, Greenland. (Pansch.)

1016. R. tenuinerve, Kindb., Revue Bryol. 1896.

Leaves longer-subulate than in R. fasciculare, carinate, yellowish green; cells narrow; costa faint, vanishing far below the apex; hair-point none. Stem long, sometimes without short branchlets. Pedicel 0.5 cm. long. Calyptra not seen.

On rocks along the Columbia River at Revelstoke, B.C. May 19th, 1890. (Macoun.) St. Paul Island, Behring Sea, July 3rd, 1892. (J. M. Macoun.)

1017. R. Palmeri, Kindb., Revue Bryol. 1896.

R. microcarpum, var. Palmeri, Kindb., Cat. Can. Musci, 268.

On rocks, mouth of Skeena River, B.C., May, 1892; on earth and rocks, St. Paul Island, Behring Sea, 1892. (J. M. Macoun.)

1018. R. Jenseni, Kindb., Revue Bryol. 1896.

Leaves small, broadly ovate-lanceolate, acute, blackish when dry; the upper with a short hair-point; upper cells short; costa brown, percurrent and papillose. Capsules unknown.

On rocks and sand, East Greenland, Aug. 5th, 1885. (P. Eberlin.)

1019. R. depressum, Lesq.

On rocks, Mosquito Bay, Labrador, Lat. 61° 25', Aug. 13th, 1898. (A. P. Low.)