685 Aristida, Linn. Gen. 74. (`.)

(2734.) A. basiramea, Engelmann; Upham, Cat. Min. Pl. 163.

Vicinity of Brandon, Man. (R. J. Scott.) This is a new species found first by Mr. W. Upham, at Minneapolis, Minn.

(2735.) A. dichotoma, Linn.; Michx. Fl. 41; Pursh, Fl., I., 72.

Port Colborne, Lake Erie. (McGill Coll. Herb.) We have seen no Canadian specimens of this species.

(2736.) A. purpurea, Nutt.; Steud. Gram. 134.

On dry hillsides, at Spence's Bridge, B.C., 1883. (Fletcher.) Only this station is known at present in Canada.

692. Phippsia, R. Br., App. Parry Voy. 285

(2756.) P. algida, R. Br.; Hook., Fl. II., 238.

Melville and other Arctic islands. (Hooker, Fl.) Pond's Bay, Lancaster Sound. (Dr. Walker.) Point Barrow, Arctic coast. (John Murdoch.) Cape Chudleigh, and Mansfield Island, Hudson Strait. (B. Bell.) West side of Davis Straits. (J. Taylor.)

Var. monandra, Kunth.

P. monandra, Trin.; Hook., Fl. II., 238. Kotzebue Sound, and Bay of St. Lawrence. (Hooker, Fl.)

695. Polypogon, Desf. (Beard-Grass.)

(2773.) P. Monspeliensis, Desf.; Gray, Man. Ed. Y., 612.

Waste heaps around Victoria, especially at the head of James Bay, Vancouver Island. (Fletcher. Macoun.) Introduced.

(2774.) P. littoralis, Smith; Bot. Calif. II., 210.

P.fugax, Boland. Cat. 34. Refuse heaps at the head of James Bay, Victoria, Vancouver Island. (Macoun.) Introduced.

696. Arctacrostis, Criseb. Ledeb. Ft Ross. IV., 434

(2775.) A. latifolia, Ledeb. Fl. Ross. IV., 434.

Colpodium lalifolium, R. Br.; Hook., Fl. II., 238.

Vilfa arundinacea, Trin. Diss. I. Cape Chudleigh, Cape Prince of Wales, and Mansfield Island, Hudson Strait. (R. Bell.) Nottingham Island, Hudson Bay. (Mackenzie.) Arctic sea-coast and islands; Hudson Bay; and Bear Lake, to the shores of the Arctic sea. (Hooker, Fl.) Port Kennedy, Lancaster Sound. (Dr. Walker.) Between Fort Churchill, and Cape Lady Pelly, Hudson Bay. (Dr. Rae.) Greenland. (Lange.)

Var. Alaskensis, Vasey, Cat. Grasses, U. S. 48, (1885.)

Colpodium latifolium, . Kunth. (?)

C. arundinaceum, Hook., Fl. II., 238. (?) Kotzebue Sound, and Arctic coast. (Rothr. Alask.) Point Barrow, Arctic coast. (John Murdoch.)