J. H. FAULL, Ph.D.
THE lichens of Eastern and parts of Northern Ontario have received fairly complete treatment at the hands of Professor John Macoun in his " Catalogue of Canadian Plants, Part VII," to which acknowledgments are here made. Of the area covered by Professor Macoun the part of main interest to us lies in the territory bordering on the north-eastern end of Lake Ontario. The southern portions of Northumberland and Hastings Counties, especially in the neighborhood of Belleville and Brighton, have been worked over very thoroughly. West of Toronto some information has been contributed by several collectors, but most of all by Mr. James White, who made his collections in Snelgrove, a rural district of cultivated, forest, swamp, and sphagnum bog land lying in the vicinity of Brampton. As Toronto lies between the two in practically uninterrupted continuity with both as regards soil, climate and topography, a departure has been made in this one group, in the absence of a list relating solely to Toronto, by going somewhat farther afield. Where the locality is not credited in the accompanying corn-