On ballast heaps at Nanaimo, and on sea beaches at Qualicum, Vancouver Island, 1887; sands, Burrard Inlet, B.C. 1889. (Macoun.)
Var. hastatum, Gray; Macoun, Cat. III., 401.
Brackiah mud at Kamloops, B.C., 1889; common along the Vancouver Island coast at Victoria, Nanaimo, Qualicum and Alberni. 1887. (Macoun.)
Var. littorale, Gray; Macoun, Cat. III., 401.
On sand at Brackley Point, Prince Edward Island, 1888; Burrard Inlet, at Vancouver City, B.C., 1889; sea beach at Qualicum, Vancouver Island, 1887. (Macoun.')
(1851.) C. hyssopifolium, Linn.; Macoun, Cat.III., 403.
Quite common at the north end of Spence's Bridge, B.C. 1889. (Macoun.)
(3176.) A. amaranthoides, Linn.
Roadside, ten miles west of Winnipeg, Man., 1886. (Fletcher.) Introduced.
(1900.) F. Tartaricum, Gaertn. (India-Wheat.)
Polygonum Tartaricum, Linn.; Macoun, Cat., III., 414. An occasional escape from cultivation on waste heaps around cities.
(1905.) R. Patientia, Linn.; Macoun, Cat., III., 415.
Not uncommon along Carling's Creek, London, Ont. 1889. (Dearness.)
(1906.) R. Brittanica, Linn.; Gray, Man., ed. VI., 438.
R. orbicitlatus, Gray; Macoun, Cat., III., 415.
Distinguished from R. occidentalism by the valves being grain-bearing, whereas in that species they are naked.
(1943.) E. Preslii, Guss.; Gray, Man., ed. VI., 453.
E. hypericifolia, Macoun, Cat., III., 427.
We have no Canadian specimens of this species in our herbarium.
(3180.) E. Esula, Linn.; Gray, Man., ed. VI., 456.
Introduced along the banks of Bayfield River, Huron Co., Ont. 1889. (Dearness.)
(3181.) M. aurantiaca, Nutt.; Gray, Man., ed. VI., 464.
Cultivated for hedges in south-western Ontario. Becoming wild in Essex County. (Macoun.)
(1956.) U. Lyallii, Watson; Macoun, Cat., III., 430.
Abundant in the valley of the Fraser from Agassiz to the coast; also at Nanaimo, Vancouver Island. (Macoun.)
(1957.) U. holosericea, Nutt.; Macoun, Cat., III., 431.
The specimens referred here in Part III., 431, belong to U. Lyallii. Guichon Creek, Nicola Valley, B.C. (Dawson.) In wet places at Vernon at the head of Lake Okanagan, B.C. 1889. (Macoun.)