(2466.) H. Robbinsii, Oakes.; Gray, Man. Ed. V., 557.

Kendrick's Lake; and Potter's Lake, near St. Stephen, N.B. ( Vroom.)

(2467.) H. obtusa, Schultes.; Hook., Fl. II, 229.

Scirpus capitatus, Vahl.; Pursh, Fl. I., 55. S. ovatus, Vahl.; Pursh, Fl. I., 54.

Bather uncommon but widely distributed. Common in Pictou Co., N.S. (McKay.) Ditches at Annapolis, N.S. and Whycocomagh, Cape Breton. (Macoun.) Muddy places; common, N.B. (Fowler, Cat.) Ditches, Campbellton, N. B. (Macoun.) Etchemin, Q. (Hon. W. Shepperd.) Muddy soil, Notre Dame de Levis, Q. (St. Cyr.) Nation River, at Casselman, and other places near Ottawa. (Fletcher, Fl. Ott.) Kemptville, Ont. (Porter.) Common in ditches at Prescott, Ont. (Billings.) Ditches and muddy places, rather common in central Ontario. (Macoun.) Vicinity of Hamilton, Ont. (Buchan.) Swamps at London, Ont., and Parry Sound, Georgian Bay. (Burgess.) North shore of Lake Superior. (Agassiz.) Pitt River, B. C. (J. A. Hill.) Saskatchewan River. (Hooker, Fl.)

(2468.) H. palustris, E.Br.; Hook., Fl. II., 228.

H. multicaulis, Hook., Fl. II., 228. (?) Scirpus palustris, Vahl.; Pursh, Fl. I., 54.

Common in wet meadows and bogs from the Atlantic to the Pacific. Marshy places, Annapolis, and Truro, N.S.; Louisburg, Cape Breton. (Macoun.) Common both in the large form which grows in water, and the smaller form in wet meadows, N.B. (Fowler, Cat.) Campbellton, N.B,; Little Fox River, Gaspé, Q. (Macoun.) Ouatchechou, Q. (St. Cyr.) Water pools, on rocks, Huckleberry Rapids, Argenteuil Co., Q. (D'Urban.) Vicinity of Ottawa. (Fletcher, Fl. Ott.)

Common in marshy places, Prescott, Ont. (Billings.) Kemptville, Ont. (Porter.) Abundant in marshy meadows and lake margins throughout central Ontario. (Both forms.) (Macoun.) Vicinity of Hamilton, Ont. (Buchan.) Swamps at London, Ont. (Burgess. Millman.) Parry Sound, Georgian Bay. (Burgess.) North shore of Lake Superior. (Agassis.) Batch-ah-wah-nah Bay, Lake Superior; Michipicotin to Lake Missinaibi, Ont.; down the Nelson River to York Factory. (E. Bell.) Moose Factory, James Bay. (Cottar & Dr. Hayden.) Fort George, James Bay. (J. M. Macoun.) Sydenham River, Owen Sound, One.; abundant around Lake Superior and up the Nipigon River to Livingstone Point, on Lake Nipigon. (Macoun.) Wet prairie at Emerson, Man; Souris River, 49th parallel; and Kitaman River, Kootanie Valley, Rocky Mountains. (Dawson.) Rather common in wet spots on the prairie from Winnipeg westward, especially at the File Hills and Long Lake; not uncommon in the Rocky and Selkirk Mountains; and westward to the Pacific coast and Vancouver Island, where it is abundant. (Macoun.) Throughout Canada to Bear Lake, and from Hudson Bay to the Pacific Ocean; varying much in size, from four inches to two feet. (Hooker, Ft.) Greenland. (Lange.)

Var. calva, Torr. Bot. N. York, II., 346. Blackwater River, Lake Nipigon, Ont. (Macoun.)

Var. glaucescens, Gray, Man. Ed. V., 558.

In marshes at the mouth of Nipigon River, Lake Superior. (Macoun.)

(2469.) H. compressa, Sullivant; Gray, Man. Ed. V., 558.

This species seems to be rare in Canada. In wet meadows at Belleville, Ont.; in great profusion, and evidently indigenous. (Macoun.) Barren field north of Fort Wellington, Prescott, Ont. (Billings.) Port Colborne, Lake Erie. (McGill Coll. Herb.)

(2470.) H. rostellata, Torr., Var. occidentalis, Watson. Bot. Calif. II., 222.

Scirpus rostellatus, Torr. Cyp., 318. Abundant in marshes of the Somas River, at Alberni, west coast of Vancouver Island. The culms are usually rather weak, and often root at the tips, forming new plants which soon equal the parent in size. (Macoun.)

(2471.) H. intermedia, Schultes.; Torr. Cyp., 91.

Not uncommon in marshy spots along the Bay of Quinte, both above and below Belleville, Ont. (Macoun.)

(2472.) H. tenuis, Schultes.; Torr. Cyp., 309.

Scirpus tenuis, Willd.; Torr. Fl. I., 44.

Not uncommon, growing in wet meadows and boggy places. On a wet boggy place at Truro, and North-west Arm, Halifax, N.S., and at North Sydney, and Louisburg, Cape Breton. (Macoun.) Halifax, N.S. (Sommers.) On a wet bank, Kouchibouguac; Tobique Lakes, Petitco-diac, and Hampton, N.B. (Fowler, Cat.) Salt Lake, Anticosti, and marshes at Grand Etang, Gaspé coast, Q. (Macoun.) Island of Orleans, Q. (St. Cyr.) Shores of Thunder Bay, and along the east coast of Lake Superior; east coast of Lake Nipigon. (Macoun.) Lake of the Woods. (Burgess.) Muskeg Creek, Lake Winnipeg. (J. M. Macoun.) Marshes along the base of Porcupine Mountain, Man.; Moose Jaw Creek, Assiniboia; along the Bow River, at Morley, and westward to Kananaskis Station, Rocky Mountains. (Macoun.) II of THE (2473.) H. acicularis, R.Br.; Hook., Fl. II., 230.

Scirpus acicularis, Linn.; Pursh, Fl. I., 54.

S. capillaceus, Michx., Fl. L, 30.

Muddy places, not uncommon from the Atlantic to the Pacific. Ditches at Truro, N.S. (Macoun.) Louisburg, Cape Breton. (Burgess.) Muddy shores and ditches; common; Spurr's Cove, N.B. (Fowler, Gat.) Campbellton, N.B. (Chalmers.) Salt Lake, Anticosti; Ste. Anne des Monts River, Gaspé,Q. (Macoun.) Thunder Creek, Q. (St. Cyr.) St. John, Q. (W. F. McCrea.) Abundant on all muddy river banks at Ottawa. (Fletcher, Fl.Ott.) Common in ditches at Prescott, Ont. (Billings.) Kemptville, Ont. (Porter.) Very common in suitable places throughout central Ontario. (Macoun.) Vicinity of Hamilton, Ont. (Buchan.) Low ground, London, Ont. (Burgess. Millman.) Chicken Bay, Lake Huron; Sault Ste. Marie and east coast of Lake Superior. (Macoun.) North shore of Lake Superior. (Agassiz.) Lake of the Woods; and Red River prairie, Man. (Dawson.) Red Deer River, near the Hand Hills, and frequent on the margin of pools in the prairie region; not uncommon in boggy places at Victoria, Nanaimo, and Alberni, Vancouver Island. (Macoun.) Hudson Bay, Red River, and the Saskatchewan. (Hooker, Fl.)

(2474.) H. pygmeea, Torr. Cyp., 313.

Scirpus pusillus, Vahl.; Pursh, Fl. L, 54. Brackish marshes along the sea-coast. Baddeck, Cape Breton. (Macoun & Burgess.) Sea-shore, Kent Co., N.B. (Fowler, Cat.) Saguenay River, Q. (Burgess.) Lower St. Lawrence. (C. G. Pringle.) Salt marshes at Alberni, west coast of Vancouver Island. (Macoun.)

(2475.) H. pauciflora, Link.; Hook., Fl. II., 229.

Scirpus pauciflora, Lightf.; Gray, Man. Ed. V. 560; Macoun, Cat. No. 1930. S. Baeothryon, Ehrh.; Hook., Fl. II., 229.

Not uncommon but easily overlooked; from the Atlantic westward to the Rocky Mountains. Salt Lake, Anticosti; Grand Etang and other places along the Gaspé coast, Q.; in wet sand at Presquile Point, Wellington Beach, and Toronto Island, Lake Ontario. (Macoun.) Toronto, Ont. (Burgess.) East coast of Lake Nipigon; marshes at the base of Porcupine Mountain, Man.; in springs, Cypress Hills, Alberta; abundant on sand along Bow River, from Morley westward, and at Kicking Horse Lake, in the Rocky Mountains. (Macoun.) Muddy swamps and salt marshes in the Rocky Mountains. (Hooker, Fl.)