(2911.) B. Aleutensis, Trim; Vasey, Cat. Grasses U.S. 92, (1885.) Alaska. (Vasey.) Ouualashka. (Rothr. Alask.)

(2912.) B. breviaristatus, Buckl., Proced. Philad. Acad. 98, (1862.) Ceratochloa breviaristata, Hook., Fl. II., 253.

Not uncommon in the Rocky Mountains, and far eastward in the northern prairie region. Along the Red Deer River, Porcupine Mountain, Man.; Red Deer Lakes, and Cypress Hills, and northward to the Athabasca. (Macoun.) South Kootanie Pass, Rocky Mountains. (Dawson.) Summit of Skagit Mountain, B. C. (Bowman.) Vicinity of Victoria, Vancouver Island. (Fletcher.) In woods and thickets, not uncommon, Vancouver Island. (Macoun.) Near the sources of the Columbia. (Douglas.)

(2913.) B. Ciliatus, Linn.; Pursh, Fl. L, 85. B. purgans, Linn; Hook., Fl. II., 262,

in part Common eastward in thickets and damp places. Pictou, N. S. (McKay.) On low damp places at Annapolis and Truro, N.S. (Macoun.) On intervales, Bass River; and Salmon River, N.B. (Fowler, Cat.)

Little Tobique River, N.B. (Hay.) North of the Restigouche, at Campbellton, and along the Bay of Chaleur; Salt Lake, Anticosti. (Macoun.) Ste. Anne des Monts River, Gaspé, Q. (Porter.) Ellis Bay, Anticosti; Pentecost River, Q. (St. Cyr.) Abundant in sandy places along the Riviere Rouge, Argenteuil Co., Q. (D' Urban.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Bank of the St. Lawrence River, near Prescott, Ont. (Billings.) Very common in wet woods and thickets throughout central Ontario, and north-westerly to Lake Nipigon and Lake Superior, and south to Pigeon River. (Macoun.) Port Colborne, Lake Erie. (McGill Coll. Herb.) Rocky thicket, Kingston, Ont. (Millman.) Vicinity of Hamilton, Ont. (Logie.) River flats, London, Ont. (Burgess. Millman.) Lake Mistassini, N.E.T.; Severn River, Keewatin; Willow Point. Lake Winnipeg; and Moose Mountain, Man. (J. M. Macoun.) Oxford House, Keewatin. (B. Bell.) Vicinity of Winnipeg, Man. (Prof. Fowler.) Sand Creek, Kootanie Valley, Rocky Mountains. (Dawson.) Rather common in wet meadows and thickets, from Morley westward to the Columbia Valley, and Selkirk Mountains; common on Vancouver Island. (Macoun.) Goose Creek Mountains, Cariboo, B.C. (Bowman.) Sooke, Vancouver Island. (Dawson.) Vicinity of Victoria, Vancouver Island. (Fletcher.) Kotze-bue Sound. (Rothr. Alask.)

Vars. ligulatus & pauciflorus, Vasey. (MS.)

These varieties, with some others, are common on many parts of

Vancouver Island, but may not be distinct enough to remain separated from the species.

(2914.) B. Hookerianus, Thurber, Bot. Wilkes Exp., 493. Ceratochloa grandiflora, Hook., Fl. II., 253.

Confined to the Pacific coast. Not uncommon in thickets at Gold-stream, Cadboro Bay, Nanaimo, and Qualicum, Vancouver Island.

(Macoun.)

Var. minor, Scribner; Vasey, Cat. Grasses U. S. 92, (1885.)

Bromus virens, Buckl., Proced. Philad. Acad. 98 (1862). Not uncommon on Vancouver Island, at Nanaimo, and Qualicum.

(Macoun.)

(2915.) B. Kalmii, Gray, Man. Ed. V., 634.

B. purgans, Torn, Flora, N. York, II., 463; Pursh, Fl. I., 85; Hook., Fl. II., 252, in part.

Vicinity of Ottawa. (Fletcher, Fl. Ott.) Rocky woodlands west of Bi-ockville. (Billings.) Dry rocky hillsides, Marmora, Hastings Co.;

Wooler, Northumberland Co.; and dry woods, Balsam Rapids, Victoria Co., Ont. (Macoun.) Sandy woodlands, London, Ont. (Burgess. Millman.) Vicinity of Hamilton, Ont. (Logic) Very abundant throughout the northern part of the prairie region, on gravel ridges or margins of couleès, Long Lake, Thunder Creek, and south of Battle-ford. (Macoun.) Red River, Man., 1827. (Douglas.)

(2916.) B. Macounii, Vasey, Bull. Torr. Bot. Club XV., 48.

Not uncommon on dry hills. Cedar Hill, and Nanaimo, Vancouver Island. (Macoun.) Canon, Lewes River, lat. 62°, N.W.T. (Dawson.)

(2917.) B. maximus, Desf.; Bot. Calif. II., 315.

Sparingly introduced at Victoria, Vancouver Island. (Macoun. Fletcher.)

(2918.) B. mollis, Linn.; Pursh, Fl. I., 85.

Introduced and naturalized on both the east and west coasts. Along the sea-shore at Yarmouth, N.S. (Macoun.) Quebec city. (St. Cyr.) Very rare in fields and by roadsides at London, Ont. (Burgess. Millman.) Abundant in cultivated ground and under oaks throughout the southern part of Vancouver Island. (Macoun. Fletcher.)

(2919.) B. Orcuttianus, Vasey, Coult. Bot. Gaz. X., 223.

Not rare in the oak groves at Cadboro, and Oak bays, near Victoria, Vancouver Island. (Macoun.)

(2920.) B. Pumpellianus, Scribner, Ball. Torr. Bot. Club,XV., 9.

Not uncommon in the prairie region on river banks and coulee margins, from Fort Ellice to Calgary, and thence westward in the Rocky Mountains to the Columbia Valley; northward in British Columbia to Quesnel. (Macoun.) Shuswap Lake, B.C. (Prof. Fowler.)

(2921.) B. racemosus, Linn.; Cray, Man. Ed. V., 634.

Introduced and naturalized in the older settlements. Among wheat at Bass River, N.B. (Fowler, Cat.) Quebec city. (St. Cyr.) Vicinity of Ottawa. (Fletcher, Ft. Ott.) Roadsides and railway tracks at London, and Essex Centre, Ont. (Burgess.) Pitt River, B.C. (Hill.) Abundant in meadows, waste places, and cultivated grounds, Vancouver Island. (Macoun. Fletcher. Dawson.) Vancouver city, Burrard Inlet, B.C. (Prof. Fowler.)

(2922.) B. secalinus, Linn. (Chess or Cheat.)

Introduced and naturalized in all parts of the country. This species is much less common than thirty years ago. Now, the farmers have excellent fanning mills, and wheat is better cleaned, and hence pure seed is sown. At the period spoken of many believed that winterkilled wheat changed into chess. Since the seed is cleaner and the land drained, chess has almost disappeared.

(2923.) B. subuiatus, Ledeb.; Vasey, Cat. Grasses, U.S. 93, (1885.)

Ounalashka. (Rothr. Alask.) Unknown to us as well as the next.

(2924.) B. Sitchensis, Bong.; Hook., Fl. II., 253.

Sitka. (Hooker, Fl. Rothr. Alask.)

(2925.) B. tectorum, Linn.; Vasey, Cat. Grasses U. S. 93, (1885.)

Introduced at Kingston, Ont. (Millman.)

(2926.) B. segetum, Schl.; Vasey, Cat. Grasses U. S. 93, (1885.)

Introduced with seed-grain at Shuswap Lake, B.C. (Prof. Fowler.}