Var. festucacea, Boott, Ill. 120.

C.festucacea, Willd. (1805); Pursh, Fl. I., 38; Hook., Fl. II., 215.

Heads larger than the preceding, usually more scattered, slightly tapering to the base; perigynia long-beaked, and slightly spreading. St. John, and Digdeguash, N.B. (Fowler, Cat.) In meadows at Bad-deck, Cape Breton. (Macoun. Burgess.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Banks of the Rivière Rouge, at Bevin's Lake, Argentcuil Co., Q. (D' Urban.) Rather common in low wet meadows at Belleville, and westward through Ontario to Thunder Bay, Lake Superior. (Macoun.) Woodstock, Ont. (Millman.) London, and Parry Sound, Ont. (Burgess.)

Var. foenea, Torrey, Cyp. 395, (1836.)

C.foenea, Willd. Enum. PL Hort. Berol. 957, (1809.)

C. straminea, var. chlorostachys, Boeckeler, Linnaea XXXIX., 118, (1875.)

We have no Canadian specimens of this variety except one from Olney, which he obtained from Prof. Fowler, of Queen's College, Kingston, Ont., in 1870, collected in Kent Co., New Brunswick.

Var. alata, Bailey, Carex, Cat. (1884.)

C. alata, Torr. Cyp. 396, (1836.)

C. alata, var. pulchra, Olney, Exsicc. I., 14, (1870.)

Bass River, Kent Co., N.B., 1870. (Prof. Fowler vide Olney.) Not uncommon in thickets west of Portage la Prairie, Man. (Macoun.)

Var. mixta, Bailey, Carex, Syn. 151, (1886.)

C. lagopodioides, W. Boott, Bot. Calif. II., 237, (1880.) C. adusta, W. Boott, Bot. Calif. II., 238, (1880.)

This variety is the representative of C. straminea on Vancouver Island. It is rather rare, being observed only on Cedar Hill, and at Nanaimo, and Alberni. (Macoun.)

Var. moniliformis, Tuckerman, Enum. Meth., 17, (1843.)

C.foenea, var. (?) sabulonum, Gray, Man. Ed. V., 580, (1868.) C. silicea, Olney, Proced. Am. Acad. VII., 393, (1868.) C. straminea, var. silicea, Bailey, Carex, Cat. (1884.)

This variety is intended to include only the maritime form on the Atlantic coast. Sand beach, South Bar, North Sydney, Cape Breton; on the beach, Point Pleasant, Halifax, N.S. (Macoun.) Sand beaches on the coast at Kouchibouguac, N.B. (Fowler, Cat.) L' Anse à Griffon, Gaspé coast. (Macoun.)

Var. aperta, Boott, Ill. 120.

C. tenera, Dew. Sill. Journ. VIIL, 97, (1824.)

C. tenera, var. major, Olney, Exsicc. II., 15, (1870.)

C. straminea, var. tenera, Bailey, Bot. Gaz. X., 381, (1885.)

This form is very little known in Canada, but is very likely common in the eastern provinces, and taken either for the type or var. tenera. It is distinguished from my tenera by its globular spikeiets disposed in a loose nodding head, with a long setaceous bract at the base of the lower one. In damp meadows near Casselman, thirty miles south of Ottawa. (Fletcher, Fl. Ott.)

(2573.) C. leporina, Linn., var. Americana, Olney, Proced. Am. Acad., 407, (1872.)

C.petasata, Dew. Sill. Journ. XXIX., 246, (1836); Hook., Fl. II., 214. C.ovalis, Good.; Hook., Fl. II., 214, (1840.)

Rocky Mountains. (Hooker, Fl.) Abundant in British Columbia, at Yale, Cache Creek, Clinton, and northward to the Nachacco, and Fort McLeod, lat. 55°; also on the summit of Mount Arrowsmith, Vancouver Island. (Macoun.) Stikine River, above the Canon, and at Telegraph Creek, lat. 58°, B.C. (Dawson.) Ounalashka. (Rothr. Alask.)

III. Uppermost spikelet androgynous, male at base; the others female.

* Stigmas II.

(2574.) C. bicolor, Aliioni, Fl. Ped. II., 267; Hook., Fl. II., 216.

Greenland, and Labrador. (Hooker, Fl.) Greenland. (Lange.) We have Rocky Mountain specimens of 0. aurea, which have black scales with a white centre, which approach this, but the beak of the fruit is that of the latter species.

* * Stigmas III.

(2575.) C. Buxbaumii, Wahl. Köngl. Acad. Handl. XXIV., 163, (1802.)

C. canescens, Hook., Fl. IT., 216, (1840.) Bogs and beaver meadows; not uncommon from the Atlantic to the Pacific. Newfoundland. (Reeks.) Bog at the head of the North West Arm, Halifax, N.S.; bogs at Louisburg, Cape Breton. (Macoun.) Restigouche, near the mouth of the Upsalquitch; Lily Lake, N.B. (Fowler, Cat.) Near St. John, N.B. (Burgess.) Salt Lake, and Jupiter River, Anticosti; Point Fame, and Matane, Gaspé coast, Q. (Macoun.) Bogs, vicinity of Ottawa. (Fletcher, Fl. Ott.) Beaver meadow, border of Hooper's Lake, Tudor, Hastings Co.; Red Bay, Lake Huron; Sturgeon Lake, Nipigon River; on rocks at the head of the rapid Current River, Port Arthur, and on marshy ground at Pic River, and Otter Head, east coast Lake Superior. (Macoun.) Bogs, near Kingston, Ont. (Prof. Fowler.) Lake Mistassini, N.E.T. (J. M. Macoun.) In mountain meadows, and bogs from Morley westward through the Rocky Mountains to Roger's Pass, Selkirk Mountains; shores of Florae Lake, near Qualicum, Vancouver Jsland. (Macoun.) Canada to Cumberland House, on the Saskatchewan; Lake Winnipeg, near Norway House; Observatory Inlet, and Sitka. (Hooker, Fl.) Sitka. (Rothr. Alask.)

(2576.) C. Cmelini, Hook., Bot. Beechy's Voy., 118, (1834); Hook., Fl. II., 216.

Oregon to Alaska. (Bailey.) North West coast, and Kotzebue Sound. (Hooker, Fl.) Sitka, Ounalashka, and Kotzebue Sound. (Rothr. Alask.) Port Etches, Alaska. (Barclay. Specimen sent from British Museum.)

(2577.) C. Mertensii, Prescott, (1833); Hook., Fl. II., 217.

C. Columbiana, Dew. Sill. Journ. XXX., 62, (1836.) One of the finest carices we have, and even worthy of a place in ourgardens. Growing in tufts by mountain streams, and on the Pacific coast. Washington territory, and northward to Sitka. (Bailey.) Abundant by streams in the valleys of the Selkirk Mountains, B.C.; in stream beds on Mount Mark, Vancouver Island, alt. 2,500 feet. (Macoun.) Pitt River, B.C. (Hill.) Shores of Burrard Inlet, Vancouver city, B. C. (Prof. Fowler.) North West coast to Sitka. (Hooker, Fl.) Ounalashka, and Sitka. (Rothr. Alask.) Port Etches,. Sitka. (Barclay.)

(2578.) C. atrata, Linn., Sp. Pl. 976, (1753); Hook., Fl. II., 216.