235. G. conferta, Funck.

On boulders on Moose Mountain, Rocky Mountains, Alta., June, 1897; on rocks by the Petewawa River, Algonquin Park, July 24th, 1900. (Macoun.) Marsh Lake, Yukon, 1899. (Williams.)

236. G. velutina, Kindb. Revue Bryol. 1896.

G. manniae, Cat. Can. Musci, 62.

Leaves broad-ovate, subobtuse, recurved all around and not carinate; cells subquadrate pellucid; hair-point rarely present. Tufts brown and velvet-like when dry, low as in G. manniae, but more compact. Capsules unknown.

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

237. G. apocarpa, Hedw.

On dry rocks, Big Intervale, Margaree, Cape Breton Island, N.S., July, 1898. (Macoun.) On rocks at Credit Forks, Ont., 1892. (Jos. White.) Growing in blackish tufts on perpendicular rock walls at Lake Lindeman, Yukon. (Williams.)

238. G. gracilis, Sleicher.

On granite rocks, Credit Forks, Ont., 1892. (Jas. White.) On rocks in ravines at Margaree, Cape Breton Island, N.S., 1898; on rocks, Cascades, Gatineau River, Que., June, 1900; on rocks in a ravine at Woodstock, New Brunswick, July, 1899; on rocks, Petewawa River, Algonquin Park, Ont, July, 1900. (Macoun.) On rocks, Lake Lindeman, Yukon, 1899. (Williams.) On rocks, Chilliwack Valley, B.C. (J. M. Macoun.)

239. G. rivularis, Nees & Hornsch.

On rocks near the water-line at Lake Lindeman, Yukon, 1899. (Williams.)

240. G. alpioola, Swartz.

On rocks along Peace River, below the mouth of Smoky River, Oct. 2nd, 1872. Referred in Part VI., p. 64, to G. platyphylla.

On wet rocks, Petewawa River, Algonquin Park, Ont., July, 1900. (Macoun.)

241. G. platyphylla, Mitten.

On rocks along Jumping Pound Creek, Rocky Mountains, Alta., June, 1897. (Macoun.)

246. G. heterophylla, Kindb.

G. chloroblasta, Kindb., No. 245 Cat. Can. Musci., 64. On rocks in Roger's Pass, Selkirk Mountains, B.C., July 31st, 1890. (Macoun.)

1004. G. pseudo-rivularis, Kindb., Bryol. N. Am. & Eur., 234.

Differs from G. gracilis. Leaves larger and broader, narrowed to a short-subulate point, patent when dry; cells less sinuous; costa, sub-excurrent rough only in the upper part. Capsule oval; teeth red; calyptra mitriform. Stem long-decumbent. Tufts green.

On rocks, Sydenham Falls, Owen Sound, Ont., Sept. nth, 1890; also on rocks at Ottawa and at Brighton, Northumberland Co., Ont., Oct., 1888; on rocks along the Colquitz, near Victoria, Vancouver Island, May 22nd, 1893. (Macoun.)

Subsp. lancifolia, Kindb., Bryol. N. Am. & Eur., 234.

Leaves narrower and less acute sometimes with an obsolete rough hairpoint; costa not excurrent. Stem not long.

On rocks on Kadiak Island Alaska, Sept., 1891. (J.M. Macoun.)

On rocks at Meech's Lake, near Chelsea, Que., Sept., 30th, 1893; on rocks in the torrent at Hector, Rocky Mountains, B.C., Aug. 11th, 1890. (Macoun.)

1005. G. pruinosa, Wilson.

G. ambigua, Sulliv.; Lesq. & James, Mosses of N. Am., 135.

On rocks along Bragg's Creek, Elbow River, Rocky Mountains, July, 1897; not uncommon at Banff, Devil's Lake, Kananaskis Pass and Kicking Horse Lake, Rocky Mountains, 1890 and 1891. (Macoun)

249. G. anodon, Bruch & Schimp.

On sandstone rocks, Cypress Hills, Assa., June, 1894; also on sandstone rocks, Wood Mountain, Assa., June, 1895; on rocks, Jumping Pound Creek and Crow's Nest Pass, Rocky Mountains, Alta., July, 1897; on rocks at Lytton, B.C., April 16th, 1889. (Macoun.)

250. G. plagiopodia, Hedw.

On rocks in the Crow's Nest Pass, Rocky Mountains, Alta., July, 1897. (Macoun.)

Subsp. Brandegei, (Austin) Kindb., G. playgiopodia, var. pilifera, Lesq. & James' Cat. Can. Musci., 65.

On sandstone rocks, Wood Mountain, Assa., June 10th, 1895. (Macoun.)

251. G. nivalis. Kindb.

G. tenerrima, Ren. & Card.; Kindb. Bryol. N. Am. & Eur., 221.

On rocks, summit of Mount Benson, near Nanaimo, Vancouver Island, July 10th, 1893. (Macoun.)

257. G. prolifera, C. M. & Kindb.

On rocks, Newfoundland. (Waghorne.) On rocks at Pass Creek, Columbia River, B.C., June 20th, 1890; on rocks, Albert Canon, Selkirk, Rocky Mountains, B.C., July 29th, 1890. (Macoun) On rocks, Unalaska, Island, Behring Sea, June, 1897. (J. M. Macoun.)

258. G. torquata, Hornsch.

On rocks in a ravine at Goldstream, Vancouver Island, June, 1893. (Macoun.) Sterile specimens were collected at Sheep Creek, Dyea Creek, Alaska; also at lakes Lindeman and Bennett, Yukon, 1899. (Williams.) On rocks, Chilliwack Valley, B.C., 1901. (J. M. Macoun.)

259. G. tortifolia, Kindb., subsp. pellucida, Kindb. Bryol.

N. Am. & Eur. 217.

Leaves larger and longer than the species, ovate-lanceolate, subacute, bright green; cells pale, pellucid, nearly all quadrate and not distinctly sinuous; costa pellucid. Capsules unknown. Tufts pale green when dry.

On rocks, Eagle Pass, Gold Range, B.C., May 23rd, 1890; also on Parson's Mountain, near Victoria, Vancouver Island, May 19th, 1893. (Macoun)

263. G. depilata, Kindb.

On damp rocks at Esquimault and Parson's Mountain, near Victoria, Vancouver Island, 1893. (Macoun.)

1006. G. Canadensis, Kindb., Bryol. N. Am. & Eur. 226.

Leaves somewhat long, recurved below at both sides, flexuous when dry; middle cells rectangular, the upper subquadrate distinctly sinuous, the alar hyaline and very numerous. Capsule small and oval. Tufts of yellowish or brownish green 4-5 cm. high. Branches curved.

On rocks at Esquimault Harbour, near Victoria, Vancouver Island, May 13th, 1893. (Macoun.)

1007. G. procera, Kindb.

Leaves long, recurved nearly all around, nearly appressed when dry; cells yellow, the upper short and not or faintly sinuous, the alar few and the inner basal long; hair-point short and rough, sometimes wanting. Tufts brownish, stem 5-10 cm. high, Habit of G. patens.

On rocks, Parson's Mountain, near Esquimault, Vancouver Island, May 12th, 1893. (Macoun)

266. G. microtricha, C. M. & Kindb.

On dry rocks at Revelstoke, B.C., May 7th, 1890. (Macoun.) 270. G. ovata, Web. & Mohr.

On rocks, Clearwater Lake, Labrador, July 21st, 1896. (A. P. Low.) On rocks, Jumping Pound Creek, and on Moose Mountain, Rocky Mountains, Alta, June, 1897. (Macoun.) Lake Lin-deman and Dawson, and at various intermediate points on the Yukon. (Williams.)

272. G. calyptrata, Hook.

Coscinodon calyptratus, Hook.; Kindb., Bryol. N. Am. & Eur. 241.

1008. G. arctophyla, Kindb., Revue Bryol. 1896.

Leaves ovate-oblong, involute above, suberect when moist, appressed when dry, the uppermost not larger; basal cells generally short, the upper short and opaque; hair-point not long. Capsule suboblong brownish; lid apiculate; annulus indistinct; pedicel straight. Tufts cohering, generally blackish when dry. About 3 cm. high.

On rocks, Greenland. (Berggren.) On rocks, Paugan Falls, Gatineau River, Que., Aug. 24th, 1894. (Macoun.)

Subsp. labradorica, Kindb., Bryol. N. Am. & Eur. 221.

Tufts about 1 cm. high, brown-green. Inner (lower) basal leaf-cells long. Lid of capsule obliquely rostellate.

On rocks, Clearwater Lake, Labrador, July 21st, 1896. (A. P. Low.)

273. G. commutata, Hueben.

On rocks along the Gatineau River, Que., June 22nd, 1900. (Macoun.)

1009. G. teretinervis, Limpricht.

On boulders usually covered with water in the Petewawa River, Algonquin Park, Ont, July 24th, 1900. (Macoun.)

1010. G. tenuicaulis, R. S. Williams, Bull. Torr. Bot. Club, XXVII; 316-317, 1900.

On rather dry rock walls at Dawson, Yukon, 1899. (Williams.)

1011. G. ortholoma, Kindb., Revue Bryol. 1896.

Leaves long, nearly appressed when dry; nearly all cells sinuous, middle one rectangular; hairpoint long and nearly smooth. Capsule very small; lid with a short conic or oblique beak. Tufts 1-2 cm. high. Leaves often with brown branched brood filaments.

1012. G. Californica, Sulliv.; Lesq. & James' mosses of N. America, 143.

Above the basin, Juneau, Alaska. (Miss G. Cooley.)

1013. G. subflaccida, Kindb., Ott. Nat., Vol. XIV., p. 85.

Agrees with the European G. flaccida (De Not.) Lindb., not found in America, in brittle orange peristome and channelled ovate-lanceolate, entire leaves with not distinctly sinuous cells; differs in the leaves being smaller, and recurved nearly all around, muticous or with a short and rough hair-point; also in the capsule being narrower. Lid and calyptra not seen.

On rocks at Edmondston, New Brunswick, Sept. 7th, 1899. (Macoun.)

1014. G. compacta, Kindb.

On sandstone rocks, Jumping Pound Creek, Rocky Mountains, Alta., June 12th, 1897. (Macoun.)