Poplar, Balsam, Rough-barked poplar, Cotton Tree, Balm of Gilead, etc., [65]
aspen or white poplar, [122]
balsam or black, [122]
around Athabaska, Slave and Peace rivers, [268]
Potatoes grown as far north as Nelson House, [56]
fifty miles north of Pas, [56]
at Split lake, [58]
Prairie land around Fort Nelson, [269]
Prairie River settlement, [171]
Preble, Mr. Edward A., of the U. S. Biological Survey, exploratory trips of, [22]