Acad., XV., 249.

(187.) L. Ludoviciana, Watson, Proced. Amer. Acad., XV., 252.

Vesicaria Ludoviciana, DC.; Macoun, Cat., I., 54, in part.

All the prairie references in Part I., belong here. The specimens from British Columbia to the next.

Var. arenosa, Watson, Proced. Amer. Acad., XV., 252.

Vesicaria arenosa, Richards, in Frank. Journ., 26.

Watson places this in the Saskatchewan region, but if V. arenosa is a correct reference, then its habitat is "on a hill 700 feet high at Bear Lake River," Lat. 65°. This is the station mentioned by Richardson in Hooker's Flora, Bor. Am., I., 48.

(3077.) L. Douglasii, Watson, Proced. Amer. Acad., XV., 255.

Vesicaria Lvdoviciana, Macoun, Cat., I., 54, in part.

"Resembling L. Ludaviciana, but the pods smaller, obovate and very obtuse, erect upon spreading pedicels, and the cells only 2-ovuled; lower leaves sometimes ovate upon a narrow petiole." On the Columbia River east of the Cascade Mountains. (Lyall.) Similkameen Valley, B.C., June 23rd, 1871. (Dawson.)

(188.) L. arctica, Watson, Proced. Amer. Acad., XV., 254.

Vesicaria arctica, Richards; Macoun, Cat., I., 54, in part. All the northern references belong here.

Var. Purshii, Watson, Proced. Amer. Acad., XV., 254.

Vesicaria arctica, Macoun, Cat, I., 54, in part, & III., 490.

Pod somewhat pubescent; septum complete. Island of Anticosti, Q. (Sheppard in Torr. & Gray.) Very common in the valley of Jupiter River, Anticosti, near the sea. (Macoun.)