(2269.) I. versicolor, Linn. Hook., Fl. II., 206; Pursh, Fl. L, 29.

I. Virginica, Pursh, Fl. I., 29.

Abundant in ditches, swamps, and by river and lake margins. New Harbor, Newfoundland. (Rev. A. Waghorne.) Halifax, Pictou and Canso, Guysboro Co., N.S. (Sommers, Cat.) Truro and Annapolis, N.S. (Macoun.) Abundant in wet places throughout New Brunswick. (Fowler, Cat.) Dalhousie, N.B., in a fresh water swamp. (Fletcher.) Common throughout Quebec and Ontario, extending westward to the Lake of the Woods (Burgess) and north eastward to Lake Mis-tassini, N.E.T., and Charlton Island, James Bay, and west to Lake Winnipeg and Beren's River. (J. M. Macoun.) Winnipeg and North West Angle Road. (Dawson.) Michipicotin River, from Long Portage to Lake Mattawagaming, north of Lake Superior. (E. Bell.)

(2270.) I. Hookeri, Penny; Stend. Nomen., 1840.

I tridentata, Hook. Fl. II., 206.

I. Caurina, Hook., Fl. II., 206.

Apparently peculiar to the sea coast, and always found within the limit of the spray from the sea. The writer is of opinion that all allusions to 7. versicolor, found on the coast, belong here. New Harbor, Newfoundland. (Rev. A. Waghorne.) Wet bank above the sea, Louisburg, Cape Breton. (Burgess.) On the sand bar, South Sydney, Cape Breton; abundant along the whole Gaspé coast, from Gaspé Basin to Petit Metis. (Macoun.) Dalhousie, N.B. (Fletcher.) Cacouna and Kamouraska, Q. (Pringle.) Mingan Islands, St. Lawrence. (St. Cyr.) Magdalen Islands, Gulf of St. Lawrence. (J. Richardson.) Mingan Islands; and Ellis Bay, Anticosti. ( Verrill.)

(2271.)I. tenax, Dougl, Hook., Fl. II., 206.

No Canadian specimen of this species has ever fallen into our hands. Newfoundland and New Brunswick. (Hooker, Fl.) In the neighborhood of Hull, near Ottawa; Determined by Dr. Vasey. (Fletcher,.Fl. Ott.) Common on dry undulating grounds, from Cape Mendocino to Puget's Sound, North West Coast. (Hooker, Fl.) We strongly suspect that the eastern references belong to I. Virginica, but have no means of deciding.

(2212.) I. Virginica, Linn. Hook., Fl. II., 206.

I. prismatica, Pursh, Fl. I., 30.

Chiefly in salt marshes along the coast. Abundant in meadows close to the sea, Louisburg, Cape Breton, 1883. (Macoun. Burgess.) New Brunswick. (Hooker, Fl.) Nova Scotian and New Brunswick collectors should examine the salt marshes and meadows near the coast for Iris tridentata and 1. Virginica, as there is no doubt of their wide distribution in the maritime provinces.

(2273.) I. lacustris, Nutt. Gray, Man. Ed. V., 517.

Sandy thickets close to the beach at Chicken and Red Bays, Bruce Peninsula, Lake Huron, 1871. (Macoun.) Very abundant in sandy thickets along Lake Huron at Southampton, Ont. (Burgess.)

(2274.) I. Sibirica, Linn. Rothr. Alask., 456.

Norton and Kotzebue Sound, Alaska. (Rothr. Alask.) We know nothing of this species.